Home / 148,697.91-205,136.15-88,271.10

Finding the Fourth Proportional to 148,697.91, 205,136.15 and 88,271.10

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Solution

The fourth proportional to 148,697.91, 205,136.15 and 88,271.10 is: 121,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,697.91 : 205,136.15 = 88,271.10 : x
  2. Step 2: Convert to fraction form
    148,697.91/205,136.15 = 88,271.10/x
  3. Step 3: Cross multiply
    148,697.91x = 205,136.15 × 88,271.10
  4. Step 4: Simplify right side
    148,697.91x = 18,107,593,168.91
  5. Step 5: Solve for x
    x = 18,107,593,168.91/148,697.91
  6. Step 6: Final answer
    x = 121,774.36

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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.