Home / 148,837.40-223,280.70-68,955.20

Finding the Fourth Proportional to 148,837.40, 223,280.70 and 68,955.20

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Solution

The fourth proportional to 148,837.40, 223,280.70 and 68,955.20 is: 103,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,837.40 : 223,280.70 = 68,955.20 : x
  2. Step 2: Convert to fraction form
    148,837.40/223,280.70 = 68,955.20/x
  3. Step 3: Cross multiply
    148,837.40x = 223,280.70 × 68,955.20
  4. Step 4: Simplify right side
    148,837.40x = 15,396,365,324.64
  5. Step 5: Solve for x
    x = 15,396,365,324.64/148,837.40
  6. Step 6: Final answer
    x = 103,444.20

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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.