Home / 155,430.28-233,378.70-88,945.48

Finding the Fourth Proportional to 155,430.28, 233,378.70 and 88,945.48

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Solution

The fourth proportional to 155,430.28, 233,378.70 and 88,945.48 is: 133,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,430.28 : 233,378.70 = 88,945.48 : x
  2. Step 2: Convert to fraction form
    155,430.28/233,378.70 = 88,945.48/x
  3. Step 3: Cross multiply
    155,430.28x = 233,378.70 × 88,945.48
  4. Step 4: Simplify right side
    155,430.28x = 20,757,980,493.28
  5. Step 5: Solve for x
    x = 20,757,980,493.28/155,430.28
  6. Step 6: Final answer
    x = 133,551.72

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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.