Home / 143,645.10-215,467.65-93,878.70

Finding the Fourth Proportional to 143,645.10, 215,467.65 and 93,878.70

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Solution

The fourth proportional to 143,645.10, 215,467.65 and 93,878.70 is: 140,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,645.10 : 215,467.65 = 93,878.70 : x
  2. Step 2: Convert to fraction form
    143,645.10/215,467.65 = 93,878.70/x
  3. Step 3: Cross multiply
    143,645.10x = 215,467.65 × 93,878.70
  4. Step 4: Simplify right side
    143,645.10x = 20,227,822,874.06
  5. Step 5: Solve for x
    x = 20,227,822,874.06/143,645.10
  6. Step 6: Final answer
    x = 140,818.05

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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.