Home / 112,132.59-154,744.17-61,144.89

Finding the Fourth Proportional to 112,132.59, 154,744.17 and 61,144.89

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Solution

The fourth proportional to 112,132.59, 154,744.17 and 61,144.89 is: 84,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,132.59 : 154,744.17 = 61,144.89 : x
  2. Step 2: Convert to fraction form
    112,132.59/154,744.17 = 61,144.89/x
  3. Step 3: Cross multiply
    112,132.59x = 154,744.17 × 61,144.89
  4. Step 4: Simplify right side
    112,132.59x = 9,461,815,252.79
  5. Step 5: Solve for x
    x = 9,461,815,252.79/112,132.59
  6. Step 6: Final answer
    x = 84,380.60

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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.