Home / 148,912.60-223,368.90-123,543.40

Finding the Fourth Proportional to 148,912.60, 223,368.90 and 123,543.40

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Solution

The fourth proportional to 148,912.60, 223,368.90 and 123,543.40 is: 185,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,912.60 : 223,368.90 = 123,543.40 : x
  2. Step 2: Convert to fraction form
    148,912.60/223,368.90 = 123,543.40/x
  3. Step 3: Cross multiply
    148,912.60x = 223,368.90 × 123,543.40
  4. Step 4: Simplify right side
    148,912.60x = 27,595,753,360.26
  5. Step 5: Solve for x
    x = 27,595,753,360.26/148,912.60
  6. Step 6: Final answer
    x = 185,315.10

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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.