Home / 108,377.28-149,567.76-60,638.88

Finding the Fourth Proportional to 108,377.28, 149,567.76 and 60,638.88

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Solution

The fourth proportional to 108,377.28, 149,567.76 and 60,638.88 is: 83,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,377.28 : 149,567.76 = 60,638.88 : x
  2. Step 2: Convert to fraction form
    108,377.28/149,567.76 = 60,638.88/x
  3. Step 3: Cross multiply
    108,377.28x = 149,567.76 × 60,638.88
  4. Step 4: Simplify right side
    108,377.28x = 9,069,621,450.51
  5. Step 5: Solve for x
    x = 9,069,621,450.51/108,377.28
  6. Step 6: Final answer
    x = 83,685.63

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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.