Home / 137,218.20-205,827.30-58,306.20

Finding the Fourth Proportional to 137,218.20, 205,827.30 and 58,306.20

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Solution

The fourth proportional to 137,218.20, 205,827.30 and 58,306.20 is: 87,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,218.20 : 205,827.30 = 58,306.20 : x
  2. Step 2: Convert to fraction form
    137,218.20/205,827.30 = 58,306.20/x
  3. Step 3: Cross multiply
    137,218.20x = 205,827.30 × 58,306.20
  4. Step 4: Simplify right side
    137,218.20x = 12,001,007,719.26
  5. Step 5: Solve for x
    x = 12,001,007,719.26/137,218.20
  6. Step 6: Final answer
    x = 87,459.30

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1.5x scale

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.