Home / 149,061.60-223,592.40-79,077.60

Finding the Fourth Proportional to 149,061.60, 223,592.40 and 79,077.60

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Solution

The fourth proportional to 149,061.60, 223,592.40 and 79,077.60 is: 118,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,061.60 : 223,592.40 = 79,077.60 : x
  2. Step 2: Convert to fraction form
    149,061.60/223,592.40 = 79,077.60/x
  3. Step 3: Cross multiply
    149,061.60x = 223,592.40 × 79,077.60
  4. Step 4: Simplify right side
    149,061.60x = 17,681,150,370.24
  5. Step 5: Solve for x
    x = 17,681,150,370.24/149,061.60
  6. Step 6: Final answer
    x = 118,616.40

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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.