Home / 210,134.39-289,984.10-119,490.35

Finding the Fourth Proportional to 210,134.39, 289,984.10 and 119,490.35

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Solution

The fourth proportional to 210,134.39, 289,984.10 and 119,490.35 is: 164,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,134.39 : 289,984.10 = 119,490.35 : x
  2. Step 2: Convert to fraction form
    210,134.39/289,984.10 = 119,490.35/x
  3. Step 3: Cross multiply
    210,134.39x = 289,984.10 × 119,490.35
  4. Step 4: Simplify right side
    210,134.39x = 34,650,299,556.06
  5. Step 5: Solve for x
    x = 34,650,299,556.06/210,134.39
  6. Step 6: Final answer
    x = 164,895.90

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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.