Home / 118,568.05-163,677.29-75,605.13

Finding the Fourth Proportional to 118,568.05, 163,677.29 and 75,605.13

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Solution

The fourth proportional to 118,568.05, 163,677.29 and 75,605.13 is: 104,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568.05 : 163,677.29 = 75,605.13 : x
  2. Step 2: Convert to fraction form
    118,568.05/163,677.29 = 75,605.13/x
  3. Step 3: Cross multiply
    118,568.05x = 163,677.29 × 75,605.13
  4. Step 4: Simplify right side
    118,568.05x = 12,374,842,410.47
  5. Step 5: Solve for x
    x = 12,374,842,410.47/118,568.05
  6. Step 6: Final answer
    x = 104,369.11

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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.