Home / 99,120.59-148,710.05-39,925.79

Finding the Fourth Proportional to 99,120.59, 148,710.05 and 39,925.79

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Solution

The fourth proportional to 99,120.59, 148,710.05 and 39,925.79 is: 59,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,120.59 : 148,710.05 = 39,925.79 : x
  2. Step 2: Convert to fraction form
    99,120.59/148,710.05 = 39,925.79/x
  3. Step 3: Cross multiply
    99,120.59x = 148,710.05 × 39,925.79
  4. Step 4: Simplify right side
    99,120.59x = 5,937,366,227.19
  5. Step 5: Solve for x
    x = 5,937,366,227.19/99,120.59
  6. Step 6: Final answer
    x = 59,900.43

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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.