Home / 118,354.19-163,329.68-64,638.23

Finding the Fourth Proportional to 118,354.19, 163,329.68 and 64,638.23

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Solution

The fourth proportional to 118,354.19, 163,329.68 and 64,638.23 is: 89,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,354.19 : 163,329.68 = 64,638.23 : x
  2. Step 2: Convert to fraction form
    118,354.19/163,329.68 = 64,638.23/x
  3. Step 3: Cross multiply
    118,354.19x = 163,329.68 × 64,638.23
  4. Step 4: Simplify right side
    118,354.19x = 10,557,340,766.61
  5. Step 5: Solve for x
    x = 10,557,340,766.61/118,354.19
  6. Step 6: Final answer
    x = 89,201.25

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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.