Home / 132,447.45-182,774.90-72,017.57

Finding the Fourth Proportional to 132,447.45, 182,774.90 and 72,017.57

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Solution

The fourth proportional to 132,447.45, 182,774.90 and 72,017.57 is: 99,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,447.45 : 182,774.90 = 72,017.57 : x
  2. Step 2: Convert to fraction form
    132,447.45/182,774.90 = 72,017.57/x
  3. Step 3: Cross multiply
    132,447.45x = 182,774.90 × 72,017.57
  4. Step 4: Simplify right side
    132,447.45x = 13,163,002,881.03
  5. Step 5: Solve for x
    x = 13,163,002,881.03/132,447.45
  6. Step 6: Final answer
    x = 99,382.83

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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.