Home / 185,752.59-278,538.75-90,871.64

Finding the Fourth Proportional to 185,752.59, 278,538.75 and 90,871.64

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Solution

The fourth proportional to 185,752.59, 278,538.75 and 90,871.64 is: 136,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,752.59 : 278,538.75 = 90,871.64 : x
  2. Step 2: Convert to fraction form
    185,752.59/278,538.75 = 90,871.64/x
  3. Step 3: Cross multiply
    185,752.59x = 278,538.75 × 90,871.64
  4. Step 4: Simplify right side
    185,752.59x = 25,311,274,053.17
  5. Step 5: Solve for x
    x = 25,311,274,053.17/185,752.59
  6. Step 6: Final answer
    x = 136,263.37

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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.