Home / 134,248.64-185,259.56-72,992.89

Finding the Fourth Proportional to 134,248.64, 185,259.56 and 72,992.89

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Solution

The fourth proportional to 134,248.64, 185,259.56 and 72,992.89 is: 100,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,248.64 : 185,259.56 = 72,992.89 : x
  2. Step 2: Convert to fraction form
    134,248.64/185,259.56 = 72,992.89/x
  3. Step 3: Cross multiply
    134,248.64x = 185,259.56 × 72,992.89
  4. Step 4: Simplify right side
    134,248.64x = 13,522,630,684.53
  5. Step 5: Solve for x
    x = 13,522,630,684.53/134,248.64
  6. Step 6: Final answer
    x = 100,728.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.