Home / 129,964.02-179,330.10-73,374.18

Finding the Fourth Proportional to 129,964.02, 179,330.10 and 73,374.18

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Solution

The fourth proportional to 129,964.02, 179,330.10 and 73,374.18 is: 101,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,964.02 : 179,330.10 = 73,374.18 : x
  2. Step 2: Convert to fraction form
    129,964.02/179,330.10 = 73,374.18/x
  3. Step 3: Cross multiply
    129,964.02x = 179,330.10 × 73,374.18
  4. Step 4: Simplify right side
    129,964.02x = 13,158,199,036.82
  5. Step 5: Solve for x
    x = 13,158,199,036.82/129,964.02
  6. Step 6: Final answer
    x = 101,244.94

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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.