Home / 147,952.60-222,060.78-69,111.28

Finding the Fourth Proportional to 147,952.60, 222,060.78 and 69,111.28

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Solution

The fourth proportional to 147,952.60, 222,060.78 and 69,111.28 is: 103,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,952.60 : 222,060.78 = 69,111.28 : x
  2. Step 2: Convert to fraction form
    147,952.60/222,060.78 = 69,111.28/x
  3. Step 3: Cross multiply
    147,952.60x = 222,060.78 × 69,111.28
  4. Step 4: Simplify right side
    147,952.60x = 15,346,904,743.60
  5. Step 5: Solve for x
    x = 15,346,904,743.60/147,952.60
  6. Step 6: Final answer
    x = 103,728.52

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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.