Home / 107,429.93-148,257.17-62,122.13

Finding the Fourth Proportional to 107,429.93, 148,257.17 and 62,122.13

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Solution

The fourth proportional to 107,429.93, 148,257.17 and 62,122.13 is: 85,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,429.93 : 148,257.17 = 62,122.13 : x
  2. Step 2: Convert to fraction form
    107,429.93/148,257.17 = 62,122.13/x
  3. Step 3: Cross multiply
    107,429.93x = 148,257.17 × 62,122.13
  4. Step 4: Simplify right side
    107,429.93x = 9,210,050,136.28
  5. Step 5: Solve for x
    x = 9,210,050,136.28/107,429.93
  6. Step 6: Final answer
    x = 85,730.77

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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.