Home / 157,272.74-234,768.84-145,565.45

Finding the Fourth Proportional to 157,272.74, 234,768.84 and 145,565.45

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Solution

The fourth proportional to 157,272.74, 234,768.84 and 145,565.45 is: 217,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,272.74 : 234,768.84 = 145,565.45 : x
  2. Step 2: Convert to fraction form
    157,272.74/234,768.84 = 145,565.45/x
  3. Step 3: Cross multiply
    157,272.74x = 234,768.84 × 145,565.45
  4. Step 4: Simplify right side
    157,272.74x = 34,174,231,840.58
  5. Step 5: Solve for x
    x = 34,174,231,840.58/157,272.74
  6. Step 6: Final answer
    x = 217,292.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.