Home / 108,034.02-149,219.62-74,154.76

Finding the Fourth Proportional to 108,034.02, 149,219.62 and 74,154.76

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Solution

The fourth proportional to 108,034.02, 149,219.62 and 74,154.76 is: 102,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,034.02 : 149,219.62 = 74,154.76 : x
  2. Step 2: Convert to fraction form
    108,034.02/149,219.62 = 74,154.76/x
  3. Step 3: Cross multiply
    108,034.02x = 149,219.62 × 74,154.76
  4. Step 4: Simplify right side
    108,034.02x = 11,065,344,549.96
  5. Step 5: Solve for x
    x = 11,065,344,549.96/108,034.02
  6. Step 6: Final answer
    x = 102,424.63

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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.