Home / 154,417.60-231,626.40-60,911.20

Finding the Fourth Proportional to 154,417.60, 231,626.40 and 60,911.20

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Solution

The fourth proportional to 154,417.60, 231,626.40 and 60,911.20 is: 91,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,417.60 : 231,626.40 = 60,911.20 : x
  2. Step 2: Convert to fraction form
    154,417.60/231,626.40 = 60,911.20/x
  3. Step 3: Cross multiply
    154,417.60x = 231,626.40 × 60,911.20
  4. Step 4: Simplify right side
    154,417.60x = 14,108,641,975.68
  5. Step 5: Solve for x
    x = 14,108,641,975.68/154,417.60
  6. Step 6: Final answer
    x = 91,366.80

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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.