Home / 99,554.77-149,332.15-29,428.66

Finding the Fourth Proportional to 99,554.77, 149,332.15 and 29,428.66

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Solution

The fourth proportional to 99,554.77, 149,332.15 and 29,428.66 is: 44,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,554.77 : 149,332.15 = 29,428.66 : x
  2. Step 2: Convert to fraction form
    99,554.77/149,332.15 = 29,428.66/x
  3. Step 3: Cross multiply
    99,554.77x = 149,332.15 × 29,428.66
  4. Step 4: Simplify right side
    99,554.77x = 4,394,644,322.76
  5. Step 5: Solve for x
    x = 4,394,644,322.76/99,554.77
  6. Step 6: Final answer
    x = 44,142.98

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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.