Home / 153,790.20-230,685.30-109,175.40

Finding the Fourth Proportional to 153,790.20, 230,685.30 and 109,175.40

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Solution

The fourth proportional to 153,790.20, 230,685.30 and 109,175.40 is: 163,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,790.20 : 230,685.30 = 109,175.40 : x
  2. Step 2: Convert to fraction form
    153,790.20/230,685.30 = 109,175.40/x
  3. Step 3: Cross multiply
    153,790.20x = 230,685.30 × 109,175.40
  4. Step 4: Simplify right side
    153,790.20x = 25,185,159,901.62
  5. Step 5: Solve for x
    x = 25,185,159,901.62/153,790.20
  6. Step 6: Final answer
    x = 163,763.10

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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.