Home / 282,171.72-423,282.12-92,575.20

Finding the Fourth Proportional to 282,171.72, 423,282.12 and 92,575.20

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Solution

The fourth proportional to 282,171.72, 423,282.12 and 92,575.20 is: 138,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,171.72 : 423,282.12 = 92,575.20 : x
  2. Step 2: Convert to fraction form
    282,171.72/423,282.12 = 92,575.20/x
  3. Step 3: Cross multiply
    282,171.72x = 423,282.12 × 92,575.20
  4. Step 4: Simplify right side
    282,171.72x = 39,185,426,915.42
  5. Step 5: Solve for x
    x = 39,185,426,915.42/282,171.72
  6. Step 6: Final answer
    x = 138,870.85

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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.