Home / 86,853.08-130,177.56-36,902

Finding the Fourth Proportional to 86,853.08, 130,177.56 and 36,902

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Solution

The fourth proportional to 86,853.08, 130,177.56 and 36,902 is: 55,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,853.08 : 130,177.56 = 36,902 : x
  2. Step 2: Convert to fraction form
    86,853.08/130,177.56 = 36,902/x
  3. Step 3: Cross multiply
    86,853.08x = 130,177.56 × 36,902
  4. Step 4: Simplify right side
    86,853.08x = 4,803,812,319.12
  5. Step 5: Solve for x
    x = 4,803,812,319.12/86,853.08
  6. Step 6: Final answer
    x = 55,309.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.