Home / 136,923.80-205,416.30-48,180.20

Finding the Fourth Proportional to 136,923.80, 205,416.30 and 48,180.20

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Solution

The fourth proportional to 136,923.80, 205,416.30 and 48,180.20 is: 72,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,923.80 : 205,416.30 = 48,180.20 : x
  2. Step 2: Convert to fraction form
    136,923.80/205,416.30 = 48,180.20/x
  3. Step 3: Cross multiply
    136,923.80x = 205,416.30 × 48,180.20
  4. Step 4: Simplify right side
    136,923.80x = 9,896,998,417.26
  5. Step 5: Solve for x
    x = 9,896,998,417.26/136,923.80
  6. Step 6: Final answer
    x = 72,281.07

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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.