Home / 231,943.60-347,712.90-89,885.80

Finding the Fourth Proportional to 231,943.60, 347,712.90 and 89,885.80

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Solution

The fourth proportional to 231,943.60, 347,712.90 and 89,885.80 is: 134,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,943.60 : 347,712.90 = 89,885.80 : x
  2. Step 2: Convert to fraction form
    231,943.60/347,712.90 = 89,885.80/x
  3. Step 3: Cross multiply
    231,943.60x = 347,712.90 × 89,885.80
  4. Step 4: Simplify right side
    231,943.60x = 31,254,452,186.82
  5. Step 5: Solve for x
    x = 31,254,452,186.82/231,943.60
  6. Step 6: Final answer
    x = 134,750.22

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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.