Home / 156,135.87-234,236.21-62,648.91

Finding the Fourth Proportional to 156,135.87, 234,236.21 and 62,648.91

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Solution

The fourth proportional to 156,135.87, 234,236.21 and 62,648.91 is: 93,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135.87 : 234,236.21 = 62,648.91 : x
  2. Step 2: Convert to fraction form
    156,135.87/234,236.21 = 62,648.91/x
  3. Step 3: Cross multiply
    156,135.87x = 234,236.21 × 62,648.91
  4. Step 4: Simplify right side
    156,135.87x = 14,674,642,925.79
  5. Step 5: Solve for x
    x = 14,674,642,925.79/156,135.87
  6. Step 6: Final answer
    x = 93,986.37

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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.