Home / 102,543.60-153,815.40-96,310.65

Finding the Fourth Proportional to 102,543.60, 153,815.40 and 96,310.65

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Solution

The fourth proportional to 102,543.60, 153,815.40 and 96,310.65 is: 144,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,543.60 : 153,815.40 = 96,310.65 : x
  2. Step 2: Convert to fraction form
    102,543.60/153,815.40 = 96,310.65/x
  3. Step 3: Cross multiply
    102,543.60x = 153,815.40 × 96,310.65
  4. Step 4: Simplify right side
    102,543.60x = 14,814,061,154.01
  5. Step 5: Solve for x
    x = 14,814,061,154.01/102,543.60
  6. Step 6: Final answer
    x = 144,465.98

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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.