Home / 125,732.02-173,511.88-72,016.98

Finding the Fourth Proportional to 125,732.02, 173,511.88 and 72,016.98

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Solution

The fourth proportional to 125,732.02, 173,511.88 and 72,016.98 is: 99,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,732.02 : 173,511.88 = 72,016.98 : x
  2. Step 2: Convert to fraction form
    125,732.02/173,511.88 = 72,016.98/x
  3. Step 3: Cross multiply
    125,732.02x = 173,511.88 × 72,016.98
  4. Step 4: Simplify right side
    125,732.02x = 12,495,801,591.72
  5. Step 5: Solve for x
    x = 12,495,801,591.72/125,732.02
  6. Step 6: Final answer
    x = 99,384.40

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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.