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Finding the Fourth Proportional to 161,254.95, 222,534.50 and 88,660.91

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Solution

The fourth proportional to 161,254.95, 222,534.50 and 88,660.91 is: 122,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,254.95 : 222,534.50 = 88,660.91 : x
  2. Step 2: Convert to fraction form
    161,254.95/222,534.50 = 88,660.91/x
  3. Step 3: Cross multiply
    161,254.95x = 222,534.50 × 88,660.91
  4. Step 4: Simplify right side
    161,254.95x = 19,730,111,276.40
  5. Step 5: Solve for x
    x = 19,730,111,276.40/161,254.95
  6. Step 6: Final answer
    x = 122,353.52

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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.