Home / 108,044.79-149,109.35-60,298.92

Finding the Fourth Proportional to 108,044.79, 149,109.35 and 60,298.92

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Solution

The fourth proportional to 108,044.79, 149,109.35 and 60,298.92 is: 83,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,044.79 : 149,109.35 = 60,298.92 : x
  2. Step 2: Convert to fraction form
    108,044.79/149,109.35 = 60,298.92/x
  3. Step 3: Cross multiply
    108,044.79x = 149,109.35 × 60,298.92
  4. Step 4: Simplify right side
    108,044.79x = 8,991,132,465.41
  5. Step 5: Solve for x
    x = 8,991,132,465.41/108,044.79
  6. Step 6: Final answer
    x = 83,216.71

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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.