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Finding the Fourth Proportional to 169,868.80, 254,805.44 and 64,693.52

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Solution

The fourth proportional to 169,868.80, 254,805.44 and 64,693.52 is: 97,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,868.80 : 254,805.44 = 64,693.52 : x
  2. Step 2: Convert to fraction form
    169,868.80/254,805.44 = 64,693.52/x
  3. Step 3: Cross multiply
    169,868.80x = 254,805.44 × 64,693.52
  4. Step 4: Simplify right side
    169,868.80x = 16,484,260,828.75
  5. Step 5: Solve for x
    x = 16,484,260,828.75/169,868.80
  6. Step 6: Final answer
    x = 97,041.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.