Home / 210,059.12-289,889.28-119,430.32

Finding the Fourth Proportional to 210,059.12, 289,889.28 and 119,430.32

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Solution

The fourth proportional to 210,059.12, 289,889.28 and 119,430.32 is: 164,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,059.12 : 289,889.28 = 119,430.32 : x
  2. Step 2: Convert to fraction form
    210,059.12/289,889.28 = 119,430.32/x
  3. Step 3: Cross multiply
    210,059.12x = 289,889.28 × 119,430.32
  4. Step 4: Simplify right side
    210,059.12x = 34,621,569,474.97
  5. Step 5: Solve for x
    x = 34,621,569,474.97/210,059.12
  6. Step 6: Final answer
    x = 164,818.22

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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.