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Finding the Fourth Proportional to 157,572.48, 236,358.60 and 46,764.48

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Solution

The fourth proportional to 157,572.48, 236,358.60 and 46,764.48 is: 70,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,572.48 : 236,358.60 = 46,764.48 : x
  2. Step 2: Convert to fraction form
    157,572.48/236,358.60 = 46,764.48/x
  3. Step 3: Cross multiply
    157,572.48x = 236,358.60 × 46,764.48
  4. Step 4: Simplify right side
    157,572.48x = 11,053,187,022.53
  5. Step 5: Solve for x
    x = 11,053,187,022.53/157,572.48
  6. Step 6: Final answer
    x = 70,146.68

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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.