Home / 86,913.04-130,146.61-60,221.11

Finding the Fourth Proportional to 86,913.04, 130,146.61 and 60,221.11

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Solution

The fourth proportional to 86,913.04, 130,146.61 and 60,221.11 is: 90,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,913.04 : 130,146.61 = 60,221.11 : x
  2. Step 2: Convert to fraction form
    86,913.04/130,146.61 = 60,221.11/x
  3. Step 3: Cross multiply
    86,913.04x = 130,146.61 × 60,221.11
  4. Step 4: Simplify right side
    86,913.04x = 7,837,573,316.94
  5. Step 5: Solve for x
    x = 7,837,573,316.94/86,913.04
  6. Step 6: Final answer
    x = 90,177.19

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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.