Home / 115,125.22-158,829.13-69,786.67

Finding the Fourth Proportional to 115,125.22, 158,829.13 and 69,786.67

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Solution

The fourth proportional to 115,125.22, 158,829.13 and 69,786.67 is: 96,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,125.22 : 158,829.13 = 69,786.67 : x
  2. Step 2: Convert to fraction form
    115,125.22/158,829.13 = 69,786.67/x
  3. Step 3: Cross multiply
    115,125.22x = 158,829.13 × 69,786.67
  4. Step 4: Simplify right side
    115,125.22x = 11,084,156,081.70
  5. Step 5: Solve for x
    x = 11,084,156,081.70/115,125.22
  6. Step 6: Final answer
    x = 96,279.13

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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.