Home / 90,228.95-124,505.00-52,000.87

Finding the Fourth Proportional to 90,228.95, 124,505.00 and 52,000.87

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Solution

The fourth proportional to 90,228.95, 124,505.00 and 52,000.87 is: 71,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,228.95 : 124,505.00 = 52,000.87 : x
  2. Step 2: Convert to fraction form
    90,228.95/124,505.00 = 52,000.87/x
  3. Step 3: Cross multiply
    90,228.95x = 124,505.00 × 52,000.87
  4. Step 4: Simplify right side
    90,228.95x = 6,474,368,176.53
  5. Step 5: Solve for x
    x = 6,474,368,176.53/90,228.95
  6. Step 6: Final answer
    x = 71,754.89

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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.