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Finding the Fourth Proportional to 169,036.76, 253,608.20 and 101,646.38

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Solution

The fourth proportional to 169,036.76, 253,608.20 and 101,646.38 is: 152,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,036.76 : 253,608.20 = 101,646.38 : x
  2. Step 2: Convert to fraction form
    169,036.76/253,608.20 = 101,646.38/x
  3. Step 3: Cross multiply
    169,036.76x = 253,608.20 × 101,646.38
  4. Step 4: Simplify right side
    169,036.76x = 25,778,355,468.32
  5. Step 5: Solve for x
    x = 25,778,355,468.32/169,036.76
  6. Step 6: Final answer
    x = 152,501.48

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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.