Home / 148,935.80-223,403.70-142,484.60

Finding the Fourth Proportional to 148,935.80, 223,403.70 and 142,484.60

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Solution

The fourth proportional to 148,935.80, 223,403.70 and 142,484.60 is: 213,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,935.80 : 223,403.70 = 142,484.60 : x
  2. Step 2: Convert to fraction form
    148,935.80/223,403.70 = 142,484.60/x
  3. Step 3: Cross multiply
    148,935.80x = 223,403.70 × 142,484.60
  4. Step 4: Simplify right side
    148,935.80x = 31,831,586,833.02
  5. Step 5: Solve for x
    x = 31,831,586,833.02/148,935.80
  6. Step 6: Final answer
    x = 213,726.90

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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.