Home / 131,432.60-197,148.90-48,315.80

Finding the Fourth Proportional to 131,432.60, 197,148.90 and 48,315.80

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Solution

The fourth proportional to 131,432.60, 197,148.90 and 48,315.80 is: 72,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.60 : 197,148.90 = 48,315.80 : x
  2. Step 2: Convert to fraction form
    131,432.60/197,148.90 = 48,315.80/x
  3. Step 3: Cross multiply
    131,432.60x = 197,148.90 × 48,315.80
  4. Step 4: Simplify right side
    131,432.60x = 9,525,406,822.62
  5. Step 5: Solve for x
    x = 9,525,406,822.62/131,432.60
  6. Step 6: Final answer
    x = 72,473.70

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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.