Home / 115,998.13-160,088.66-65,019.52

Finding the Fourth Proportional to 115,998.13, 160,088.66 and 65,019.52

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Solution

The fourth proportional to 115,998.13, 160,088.66 and 65,019.52 is: 89,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,998.13 : 160,088.66 = 65,019.52 : x
  2. Step 2: Convert to fraction form
    115,998.13/160,088.66 = 65,019.52/x
  3. Step 3: Cross multiply
    115,998.13x = 160,088.66 × 65,019.52
  4. Step 4: Simplify right side
    115,998.13x = 10,408,887,505.55
  5. Step 5: Solve for x
    x = 10,408,887,505.55/115,998.13
  6. Step 6: Final answer
    x = 89,733.24

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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.