Home / 115,067.05-158,788.10-64,081.93

Finding the Fourth Proportional to 115,067.05, 158,788.10 and 64,081.93

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Solution

The fourth proportional to 115,067.05, 158,788.10 and 64,081.93 is: 88,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,067.05 : 158,788.10 = 64,081.93 : x
  2. Step 2: Convert to fraction form
    115,067.05/158,788.10 = 64,081.93/x
  3. Step 3: Cross multiply
    115,067.05x = 158,788.10 × 64,081.93
  4. Step 4: Simplify right side
    115,067.05x = 10,175,447,609.53
  5. Step 5: Solve for x
    x = 10,175,447,609.53/115,067.05
  6. Step 6: Final answer
    x = 88,430.60

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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.