Home / 112,715.66-155,545.71-62,413.58

Finding the Fourth Proportional to 112,715.66, 155,545.71 and 62,413.58

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Solution

The fourth proportional to 112,715.66, 155,545.71 and 62,413.58 is: 86,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,715.66 : 155,545.71 = 62,413.58 : x
  2. Step 2: Convert to fraction form
    112,715.66/155,545.71 = 62,413.58/x
  3. Step 3: Cross multiply
    112,715.66x = 155,545.71 × 62,413.58
  4. Step 4: Simplify right side
    112,715.66x = 9,708,164,614.74
  5. Step 5: Solve for x
    x = 9,708,164,614.74/112,715.66
  6. Step 6: Final answer
    x = 86,129.69

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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.