Home / 115,036.20-158,613.06-99,093.48

Finding the Fourth Proportional to 115,036.20, 158,613.06 and 99,093.48

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Solution

The fourth proportional to 115,036.20, 158,613.06 and 99,093.48 is: 136,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,036.20 : 158,613.06 = 99,093.48 : x
  2. Step 2: Convert to fraction form
    115,036.20/158,613.06 = 99,093.48/x
  3. Step 3: Cross multiply
    115,036.20x = 158,613.06 × 99,093.48
  4. Step 4: Simplify right side
    115,036.20x = 15,717,520,088.85
  5. Step 5: Solve for x
    x = 15,717,520,088.85/115,036.20
  6. Step 6: Final answer
    x = 136,631.08

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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.