Home / 141,565.68-195,295.32-91,280.88

Finding the Fourth Proportional to 141,565.68, 195,295.32 and 91,280.88

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Solution

The fourth proportional to 141,565.68, 195,295.32 and 91,280.88 is: 125,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,565.68 : 195,295.32 = 91,280.88 : x
  2. Step 2: Convert to fraction form
    141,565.68/195,295.32 = 91,280.88/x
  3. Step 3: Cross multiply
    141,565.68x = 195,295.32 × 91,280.88
  4. Step 4: Simplify right side
    141,565.68x = 17,826,728,669.48
  5. Step 5: Solve for x
    x = 17,826,728,669.48/141,565.68
  6. Step 6: Final answer
    x = 125,925.50

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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.