Home / 125,521.10-188,281.65-88,123.40

Finding the Fourth Proportional to 125,521.10, 188,281.65 and 88,123.40

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Solution

The fourth proportional to 125,521.10, 188,281.65 and 88,123.40 is: 132,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,521.10 : 188,281.65 = 88,123.40 : x
  2. Step 2: Convert to fraction form
    125,521.10/188,281.65 = 88,123.40/x
  3. Step 3: Cross multiply
    125,521.10x = 188,281.65 × 88,123.40
  4. Step 4: Simplify right side
    125,521.10x = 16,592,019,155.61
  5. Step 5: Solve for x
    x = 16,592,019,155.61/125,521.10
  6. Step 6: Final answer
    x = 132,185.10

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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.