Home / 118,278.80-163,218.84-64,566.08

Finding the Fourth Proportional to 118,278.80, 163,218.84 and 64,566.08

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Solution

The fourth proportional to 118,278.80, 163,218.84 and 64,566.08 is: 89,097.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,278.80 : 163,218.84 = 64,566.08 : x
  2. Step 2: Convert to fraction form
    118,278.80/163,218.84 = 64,566.08/x
  3. Step 3: Cross multiply
    118,278.80x = 163,218.84 × 64,566.08
  4. Step 4: Simplify right side
    118,278.80x = 10,538,400,680.95
  5. Step 5: Solve for x
    x = 10,538,400,680.95/118,278.80
  6. Step 6: Final answer
    x = 89,097.97

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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.