Home / 95,445.80-143,168.70-85,932.35

Finding the Fourth Proportional to 95,445.80, 143,168.70 and 85,932.35

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Solution

The fourth proportional to 95,445.80, 143,168.70 and 85,932.35 is: 128,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,445.80 : 143,168.70 = 85,932.35 : x
  2. Step 2: Convert to fraction form
    95,445.80/143,168.70 = 85,932.35/x
  3. Step 3: Cross multiply
    95,445.80x = 143,168.70 × 85,932.35
  4. Step 4: Simplify right side
    95,445.80x = 12,302,822,837.45
  5. Step 5: Solve for x
    x = 12,302,822,837.45/95,445.80
  6. Step 6: Final answer
    x = 128,898.53

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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.