Home / 108,013.47-149,057.30-59,615.76

Finding the Fourth Proportional to 108,013.47, 149,057.30 and 59,615.76

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Solution

The fourth proportional to 108,013.47, 149,057.30 and 59,615.76 is: 82,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,013.47 : 149,057.30 = 59,615.76 : x
  2. Step 2: Convert to fraction form
    108,013.47/149,057.30 = 59,615.76/x
  3. Step 3: Cross multiply
    108,013.47x = 149,057.30 × 59,615.76
  4. Step 4: Simplify right side
    108,013.47x = 8,886,163,924.97
  5. Step 5: Solve for x
    x = 8,886,163,924.97/108,013.47
  6. Step 6: Final answer
    x = 82,269.03

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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.