Home / 142,158.80-212,957.40-92,273.60

Finding the Fourth Proportional to 142,158.80, 212,957.40 and 92,273.60

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Solution

The fourth proportional to 142,158.80, 212,957.40 and 92,273.60 is: 138,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,158.80 : 212,957.40 = 92,273.60 : x
  2. Step 2: Convert to fraction form
    142,158.80/212,957.40 = 92,273.60/x
  3. Step 3: Cross multiply
    142,158.80x = 212,957.40 × 92,273.60
  4. Step 4: Simplify right side
    142,158.80x = 19,650,345,944.64
  5. Step 5: Solve for x
    x = 19,650,345,944.64/142,158.80
  6. Step 6: Final answer
    x = 138,228.14

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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.