Home / 115,126.80-158,874.84-64,826.16

Finding the Fourth Proportional to 115,126.80, 158,874.84 and 64,826.16

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Solution

The fourth proportional to 115,126.80, 158,874.84 and 64,826.16 is: 89,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,126.80 : 158,874.84 = 64,826.16 : x
  2. Step 2: Convert to fraction form
    115,126.80/158,874.84 = 64,826.16/x
  3. Step 3: Cross multiply
    115,126.80x = 158,874.84 × 64,826.16
  4. Step 4: Simplify right side
    115,126.80x = 10,299,245,797.81
  5. Step 5: Solve for x
    x = 10,299,245,797.81/115,126.80
  6. Step 6: Final answer
    x = 89,460.02

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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.