Home / 152,853.60-229,280.40-115,528.80

Finding the Fourth Proportional to 152,853.60, 229,280.40 and 115,528.80

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Solution

The fourth proportional to 152,853.60, 229,280.40 and 115,528.80 is: 173,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,853.60 : 229,280.40 = 115,528.80 : x
  2. Step 2: Convert to fraction form
    152,853.60/229,280.40 = 115,528.80/x
  3. Step 3: Cross multiply
    152,853.60x = 229,280.40 × 115,528.80
  4. Step 4: Simplify right side
    152,853.60x = 26,488,489,475.52
  5. Step 5: Solve for x
    x = 26,488,489,475.52/152,853.60
  6. Step 6: Final answer
    x = 173,293.20

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1.5x scale

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.