Home / 161,929.30-242,565.90-91,726.60

Finding the Fourth Proportional to 161,929.30, 242,565.90 and 91,726.60

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Solution

The fourth proportional to 161,929.30, 242,565.90 and 91,726.60 is: 137,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,929.30 : 242,565.90 = 91,726.60 : x
  2. Step 2: Convert to fraction form
    161,929.30/242,565.90 = 91,726.60/x
  3. Step 3: Cross multiply
    161,929.30x = 242,565.90 × 91,726.60
  4. Step 4: Simplify right side
    161,929.30x = 22,249,745,282.94
  5. Step 5: Solve for x
    x = 22,249,745,282.94/161,929.30
  6. Step 6: Final answer
    x = 137,404.07

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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.