Home / 112,239.60-154,885.82-61,251.05

Finding the Fourth Proportional to 112,239.60, 154,885.82 and 61,251.05

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Solution

The fourth proportional to 112,239.60, 154,885.82 and 61,251.05 is: 84,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,239.60 : 154,885.82 = 61,251.05 : x
  2. Step 2: Convert to fraction form
    112,239.60/154,885.82 = 61,251.05/x
  3. Step 3: Cross multiply
    112,239.60x = 154,885.82 × 61,251.05
  4. Step 4: Simplify right side
    112,239.60x = 9,486,918,024.43
  5. Step 5: Solve for x
    x = 9,486,918,024.43/112,239.60
  6. Step 6: Final answer
    x = 84,523.80

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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.