Home / 154,420.20-231,641.10-60,913.80

Finding the Fourth Proportional to 154,420.20, 231,641.10 and 60,913.80

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Solution

The fourth proportional to 154,420.20, 231,641.10 and 60,913.80 is: 91,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,420.20 : 231,641.10 = 60,913.80 : x
  2. Step 2: Convert to fraction form
    154,420.20/231,641.10 = 60,913.80/x
  3. Step 3: Cross multiply
    154,420.20x = 231,641.10 × 60,913.80
  4. Step 4: Simplify right side
    154,420.20x = 14,110,139,637.18
  5. Step 5: Solve for x
    x = 14,110,139,637.18/154,420.20
  6. Step 6: Final answer
    x = 91,374.96

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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.