Home / 89,985.84-124,197.84-51,771.12

Finding the Fourth Proportional to 89,985.84, 124,197.84 and 51,771.12

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Solution

The fourth proportional to 89,985.84, 124,197.84 and 51,771.12 is: 71,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,985.84 : 124,197.84 = 51,771.12 : x
  2. Step 2: Convert to fraction form
    89,985.84/124,197.84 = 51,771.12/x
  3. Step 3: Cross multiply
    89,985.84x = 124,197.84 × 51,771.12
  4. Step 4: Simplify right side
    89,985.84x = 6,429,861,278.38
  5. Step 5: Solve for x
    x = 6,429,861,278.38/89,985.84
  6. Step 6: Final answer
    x = 71,454.15

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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.