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Finding the Fourth Proportional to 210,127.87, 289,984.56 and 119,492.01

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Solution

The fourth proportional to 210,127.87, 289,984.56 and 119,492.01 is: 164,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,127.87 : 289,984.56 = 119,492.01 : x
  2. Step 2: Convert to fraction form
    210,127.87/289,984.56 = 119,492.01/x
  3. Step 3: Cross multiply
    210,127.87x = 289,984.56 × 119,492.01
  4. Step 4: Simplify right side
    210,127.87x = 34,650,837,495.27
  5. Step 5: Solve for x
    x = 34,650,837,495.27/210,127.87
  6. Step 6: Final answer
    x = 164,903.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.