Home / 118,666.20-163,759.08-64,950.75

Finding the Fourth Proportional to 118,666.20, 163,759.08 and 64,950.75

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Solution

The fourth proportional to 118,666.20, 163,759.08 and 64,950.75 is: 89,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,666.20 : 163,759.08 = 64,950.75 : x
  2. Step 2: Convert to fraction form
    118,666.20/163,759.08 = 64,950.75/x
  3. Step 3: Cross multiply
    118,666.20x = 163,759.08 × 64,950.75
  4. Step 4: Simplify right side
    118,666.20x = 10,636,274,451.21
  5. Step 5: Solve for x
    x = 10,636,274,451.21/118,666.20
  6. Step 6: Final answer
    x = 89,631.88

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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.