Home / 124,281.66-171,609.90-101,315.13

Finding the Fourth Proportional to 124,281.66, 171,609.90 and 101,315.13

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Solution

The fourth proportional to 124,281.66, 171,609.90 and 101,315.13 is: 139,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,281.66 : 171,609.90 = 101,315.13 : x
  2. Step 2: Convert to fraction form
    124,281.66/171,609.90 = 101,315.13/x
  3. Step 3: Cross multiply
    124,281.66x = 171,609.90 × 101,315.13
  4. Step 4: Simplify right side
    124,281.66x = 17,386,679,327.79
  5. Step 5: Solve for x
    x = 17,386,679,327.79/124,281.66
  6. Step 6: Final answer
    x = 139,897.39

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1.5x scale

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.