Home / 231,282.89-347,055.55-91,139.93

Finding the Fourth Proportional to 231,282.89, 347,055.55 and 91,139.93

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Solution

The fourth proportional to 231,282.89, 347,055.55 and 91,139.93 is: 136,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,282.89 : 347,055.55 = 91,139.93 : x
  2. Step 2: Convert to fraction form
    231,282.89/347,055.55 = 91,139.93/x
  3. Step 3: Cross multiply
    231,282.89x = 347,055.55 × 91,139.93
  4. Step 4: Simplify right side
    231,282.89x = 31,630,616,342.13
  5. Step 5: Solve for x
    x = 31,630,616,342.13/231,282.89
  6. Step 6: Final answer
    x = 136,761.60

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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.