Home / 147,585.60-221,378.40-136,180.80

Finding the Fourth Proportional to 147,585.60, 221,378.40 and 136,180.80

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Solution

The fourth proportional to 147,585.60, 221,378.40 and 136,180.80 is: 204,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,585.60 : 221,378.40 = 136,180.80 : x
  2. Step 2: Convert to fraction form
    147,585.60/221,378.40 = 136,180.80/x
  3. Step 3: Cross multiply
    147,585.60x = 221,378.40 × 136,180.80
  4. Step 4: Simplify right side
    147,585.60x = 30,147,487,614.72
  5. Step 5: Solve for x
    x = 30,147,487,614.72/147,585.60
  6. Step 6: Final answer
    x = 204,271.20

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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.