Home / 118,191.57-163,104.08-64,476.56

Finding the Fourth Proportional to 118,191.57, 163,104.08 and 64,476.56

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Solution

The fourth proportional to 118,191.57, 163,104.08 and 64,476.56 is: 88,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,191.57 : 163,104.08 = 64,476.56 : x
  2. Step 2: Convert to fraction form
    118,191.57/163,104.08 = 64,476.56/x
  3. Step 3: Cross multiply
    118,191.57x = 163,104.08 × 64,476.56
  4. Step 4: Simplify right side
    118,191.57x = 10,516,388,862.46
  5. Step 5: Solve for x
    x = 10,516,388,862.46/118,191.57
  6. Step 6: Final answer
    x = 88,977.49

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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.