Home / 124,278.14-171,445.20-84,005.96

Finding the Fourth Proportional to 124,278.14, 171,445.20 and 84,005.96

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Solution

The fourth proportional to 124,278.14, 171,445.20 and 84,005.96 is: 115,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,278.14 : 171,445.20 = 84,005.96 : x
  2. Step 2: Convert to fraction form
    124,278.14/171,445.20 = 84,005.96/x
  3. Step 3: Cross multiply
    124,278.14x = 171,445.20 × 84,005.96
  4. Step 4: Simplify right side
    124,278.14x = 14,402,418,613.39
  5. Step 5: Solve for x
    x = 14,402,418,613.39/124,278.14
  6. Step 6: Final answer
    x = 115,888.59

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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.