Home / 161,710.40-242,565.60-122,052.80

Finding the Fourth Proportional to 161,710.40, 242,565.60 and 122,052.80

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Solution

The fourth proportional to 161,710.40, 242,565.60 and 122,052.80 is: 183,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,710.40 : 242,565.60 = 122,052.80 : x
  2. Step 2: Convert to fraction form
    161,710.40/242,565.60 = 122,052.80/x
  3. Step 3: Cross multiply
    161,710.40x = 242,565.60 × 122,052.80
  4. Step 4: Simplify right side
    161,710.40x = 29,605,810,663.68
  5. Step 5: Solve for x
    x = 29,605,810,663.68/161,710.40
  6. Step 6: Final answer
    x = 183,079.20

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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.