Home / 124,294.74-171,521.20-72,616.63

Finding the Fourth Proportional to 124,294.74, 171,521.20 and 72,616.63

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Solution

The fourth proportional to 124,294.74, 171,521.20 and 72,616.63 is: 100,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,294.74 : 171,521.20 = 72,616.63 : x
  2. Step 2: Convert to fraction form
    124,294.74/171,521.20 = 72,616.63/x
  3. Step 3: Cross multiply
    124,294.74x = 171,521.20 × 72,616.63
  4. Step 4: Simplify right side
    124,294.74x = 12,455,291,793.39
  5. Step 5: Solve for x
    x = 12,455,291,793.39/124,294.74
  6. Step 6: Final answer
    x = 100,207.72

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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.