Home / 164,895.60-246,565.80-122,905.20

Finding the Fourth Proportional to 164,895.60, 246,565.80 and 122,905.20

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Solution

The fourth proportional to 164,895.60, 246,565.80 and 122,905.20 is: 183,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,895.60 : 246,565.80 = 122,905.20 : x
  2. Step 2: Convert to fraction form
    164,895.60/246,565.80 = 122,905.20/x
  3. Step 3: Cross multiply
    164,895.60x = 246,565.80 × 122,905.20
  4. Step 4: Simplify right side
    164,895.60x = 30,304,218,962.16
  5. Step 5: Solve for x
    x = 30,304,218,962.16/164,895.60
  6. Step 6: Final answer
    x = 183,778.21

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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.