Home / 86,544.52-119,386.03-75,188.50

Finding the Fourth Proportional to 86,544.52, 119,386.03 and 75,188.50

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Solution

The fourth proportional to 86,544.52, 119,386.03 and 75,188.50 is: 103,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,544.52 : 119,386.03 = 75,188.50 : x
  2. Step 2: Convert to fraction form
    86,544.52/119,386.03 = 75,188.50/x
  3. Step 3: Cross multiply
    86,544.52x = 119,386.03 × 75,188.50
  4. Step 4: Simplify right side
    86,544.52x = 8,976,455,543.78
  5. Step 5: Solve for x
    x = 8,976,455,543.78/86,544.52
  6. Step 6: Final answer
    x = 103,720.68

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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.