Home / 153,016.40-229,329.12-123,448.16

Finding the Fourth Proportional to 153,016.40, 229,329.12 and 123,448.16

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Solution

The fourth proportional to 153,016.40, 229,329.12 and 123,448.16 is: 185,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,016.40 : 229,329.12 = 123,448.16 : x
  2. Step 2: Convert to fraction form
    153,016.40/229,329.12 = 123,448.16/x
  3. Step 3: Cross multiply
    153,016.40x = 229,329.12 × 123,448.16
  4. Step 4: Simplify right side
    153,016.40x = 28,310,257,898.42
  5. Step 5: Solve for x
    x = 28,310,257,898.42/153,016.40
  6. Step 6: Final answer
    x = 185,014.53

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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.