Home / 239,131.32-330,159.96-148,622.28

Finding the Fourth Proportional to 239,131.32, 330,159.96 and 148,622.28

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Solution

The fourth proportional to 239,131.32, 330,159.96 and 148,622.28 is: 205,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,131.32 : 330,159.96 = 148,622.28 : x
  2. Step 2: Convert to fraction form
    239,131.32/330,159.96 = 148,622.28/x
  3. Step 3: Cross multiply
    239,131.32x = 330,159.96 × 148,622.28
  4. Step 4: Simplify right side
    239,131.32x = 49,069,126,019.91
  5. Step 5: Solve for x
    x = 49,069,126,019.91/239,131.32
  6. Step 6: Final answer
    x = 205,197.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.