Home / 118,302.20-163,259.51-64,589.48

Finding the Fourth Proportional to 118,302.20, 163,259.51 and 64,589.48

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Solution

The fourth proportional to 118,302.20, 163,259.51 and 64,589.48 is: 89,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,302.20 : 163,259.51 = 64,589.48 : x
  2. Step 2: Convert to fraction form
    118,302.20/163,259.51 = 64,589.48/x
  3. Step 3: Cross multiply
    118,302.20x = 163,259.51 × 64,589.48
  4. Step 4: Simplify right side
    118,302.20x = 10,544,845,716.71
  5. Step 5: Solve for x
    x = 10,544,845,716.71/118,302.20
  6. Step 6: Final answer
    x = 89,134.83

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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.