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Finding the Fourth Proportional to 147,070.88, 202,959.84 and 80,002.88

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Solution

The fourth proportional to 147,070.88, 202,959.84 and 80,002.88 is: 110,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,070.88 : 202,959.84 = 80,002.88 : x
  2. Step 2: Convert to fraction form
    147,070.88/202,959.84 = 80,002.88/x
  3. Step 3: Cross multiply
    147,070.88x = 202,959.84 × 80,002.88
  4. Step 4: Simplify right side
    147,070.88x = 16,237,371,724.34
  5. Step 5: Solve for x
    x = 16,237,371,724.34/147,070.88
  6. Step 6: Final answer
    x = 110,405.08

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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.