Home / 125,237.73-187,413.15-77,875.13

Finding the Fourth Proportional to 125,237.73, 187,413.15 and 77,875.13

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Solution

The fourth proportional to 125,237.73, 187,413.15 and 77,875.13 is: 116,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,237.73 : 187,413.15 = 77,875.13 : x
  2. Step 2: Convert to fraction form
    125,237.73/187,413.15 = 77,875.13/x
  3. Step 3: Cross multiply
    125,237.73x = 187,413.15 × 77,875.13
  4. Step 4: Simplify right side
    125,237.73x = 14,594,823,419.96
  5. Step 5: Solve for x
    x = 14,594,823,419.96/125,237.73
  6. Step 6: Final answer
    x = 116,536.95

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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.