Home / 153,012.10-229,518.15-115,687.30

Finding the Fourth Proportional to 153,012.10, 229,518.15 and 115,687.30

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Solution

The fourth proportional to 153,012.10, 229,518.15 and 115,687.30 is: 173,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,012.10 : 229,518.15 = 115,687.30 : x
  2. Step 2: Convert to fraction form
    153,012.10/229,518.15 = 115,687.30/x
  3. Step 3: Cross multiply
    153,012.10x = 229,518.15 × 115,687.30
  4. Step 4: Simplify right side
    153,012.10x = 26,552,335,074.50
  5. Step 5: Solve for x
    x = 26,552,335,074.50/153,012.10
  6. Step 6: Final answer
    x = 173,530.95

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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.