Home / 152,728.40-229,114.20-47,536.40

Finding the Fourth Proportional to 152,728.40, 229,114.20 and 47,536.40

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Solution

The fourth proportional to 152,728.40, 229,114.20 and 47,536.40 is: 71,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,728.40 : 229,114.20 = 47,536.40 : x
  2. Step 2: Convert to fraction form
    152,728.40/229,114.20 = 47,536.40/x
  3. Step 3: Cross multiply
    152,728.40x = 229,114.20 × 47,536.40
  4. Step 4: Simplify right side
    152,728.40x = 10,891,264,256.88
  5. Step 5: Solve for x
    x = 10,891,264,256.88/152,728.40
  6. Step 6: Final answer
    x = 71,311.32

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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.