Home / 115,066.13-158,790.75-64,079.46

Finding the Fourth Proportional to 115,066.13, 158,790.75 and 64,079.46

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Solution

The fourth proportional to 115,066.13, 158,790.75 and 64,079.46 is: 88,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,066.13 : 158,790.75 = 64,079.46 : x
  2. Step 2: Convert to fraction form
    115,066.13/158,790.75 = 64,079.46/x
  3. Step 3: Cross multiply
    115,066.13x = 158,790.75 × 64,079.46
  4. Step 4: Simplify right side
    115,066.13x = 10,175,225,513.00
  5. Step 5: Solve for x
    x = 10,175,225,513.00/115,066.13
  6. Step 6: Final answer
    x = 88,429.37

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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.