Home / 138,059.04-207,068.52-38,226.24

Finding the Fourth Proportional to 138,059.04, 207,068.52 and 38,226.24

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Solution

The fourth proportional to 138,059.04, 207,068.52 and 38,226.24 is: 57,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,059.04 : 207,068.52 = 38,226.24 : x
  2. Step 2: Convert to fraction form
    138,059.04/207,068.52 = 38,226.24/x
  3. Step 3: Cross multiply
    138,059.04x = 207,068.52 × 38,226.24
  4. Step 4: Simplify right side
    138,059.04x = 7,915,450,941.96
  5. Step 5: Solve for x
    x = 7,915,450,941.96/138,059.04
  6. Step 6: Final answer
    x = 57,333.81

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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.