Home / 169,413.72-233,789.28-92,931.24

Finding the Fourth Proportional to 169,413.72, 233,789.28 and 92,931.24

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Solution

The fourth proportional to 169,413.72, 233,789.28 and 92,931.24 is: 128,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,413.72 : 233,789.28 = 92,931.24 : x
  2. Step 2: Convert to fraction form
    169,413.72/233,789.28 = 92,931.24/x
  3. Step 3: Cross multiply
    169,413.72x = 233,789.28 × 92,931.24
  4. Step 4: Simplify right side
    169,413.72x = 21,726,327,689.11
  5. Step 5: Solve for x
    x = 21,726,327,689.11/169,413.72
  6. Step 6: Final answer
    x = 128,244.20

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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.