Home / 84,187.68-126,302.40-25,023.24

Finding the Fourth Proportional to 84,187.68, 126,302.40 and 25,023.24

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Solution

The fourth proportional to 84,187.68, 126,302.40 and 25,023.24 is: 37,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,187.68 : 126,302.40 = 25,023.24 : x
  2. Step 2: Convert to fraction form
    84,187.68/126,302.40 = 25,023.24/x
  3. Step 3: Cross multiply
    84,187.68x = 126,302.40 × 25,023.24
  4. Step 4: Simplify right side
    84,187.68x = 3,160,495,267.78
  5. Step 5: Solve for x
    x = 3,160,495,267.78/84,187.68
  6. Step 6: Final answer
    x = 37,541.07

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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.