Home / 103,279.28-141,597.10-101,413.04

Finding the Fourth Proportional to 103,279.28, 141,597.10 and 101,413.04

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Solution

The fourth proportional to 103,279.28, 141,597.10 and 101,413.04 is: 139,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,279.28 : 141,597.10 = 101,413.04 : x
  2. Step 2: Convert to fraction form
    103,279.28/141,597.10 = 101,413.04/x
  3. Step 3: Cross multiply
    103,279.28x = 141,597.10 × 101,413.04
  4. Step 4: Simplify right side
    103,279.28x = 14,359,792,366.18
  5. Step 5: Solve for x
    x = 14,359,792,366.18/103,279.28
  6. Step 6: Final answer
    x = 139,038.46

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.