Home / 104,640.64-157,059.60-38,145.04

Finding the Fourth Proportional to 104,640.64, 157,059.60 and 38,145.04

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Solution

The fourth proportional to 104,640.64, 157,059.60 and 38,145.04 is: 57,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,640.64 : 157,059.60 = 38,145.04 : x
  2. Step 2: Convert to fraction form
    104,640.64/157,059.60 = 38,145.04/x
  3. Step 3: Cross multiply
    104,640.64x = 157,059.60 × 38,145.04
  4. Step 4: Simplify right side
    104,640.64x = 5,991,044,724.38
  5. Step 5: Solve for x
    x = 5,991,044,724.38/104,640.64
  6. Step 6: Final answer
    x = 57,253.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.