Home / 115,830.13-160,150.59-101,448.73

Finding the Fourth Proportional to 115,830.13, 160,150.59 and 101,448.73

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Solution

The fourth proportional to 115,830.13, 160,150.59 and 101,448.73 is: 140,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,830.13 : 160,150.59 = 101,448.73 : x
  2. Step 2: Convert to fraction form
    115,830.13/160,150.59 = 101,448.73/x
  3. Step 3: Cross multiply
    115,830.13x = 160,150.59 × 101,448.73
  4. Step 4: Simplify right side
    115,830.13x = 16,247,073,964.25
  5. Step 5: Solve for x
    x = 16,247,073,964.25/115,830.13
  6. Step 6: Final answer
    x = 140,266.39

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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.