Home / 155,545.60-233,318.40-142,643.20

Finding the Fourth Proportional to 155,545.60, 233,318.40 and 142,643.20

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Solution

The fourth proportional to 155,545.60, 233,318.40 and 142,643.20 is: 213,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,545.60 : 233,318.40 = 142,643.20 : x
  2. Step 2: Convert to fraction form
    155,545.60/233,318.40 = 142,643.20/x
  3. Step 3: Cross multiply
    155,545.60x = 233,318.40 × 142,643.20
  4. Step 4: Simplify right side
    155,545.60x = 33,281,283,194.88
  5. Step 5: Solve for x
    x = 33,281,283,194.88/155,545.60
  6. Step 6: Final answer
    x = 213,964.80

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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.