Home / 118,821.68-163,977.74-65,110.13

Finding the Fourth Proportional to 118,821.68, 163,977.74 and 65,110.13

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Solution

The fourth proportional to 118,821.68, 163,977.74 and 65,110.13 is: 89,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,821.68 : 163,977.74 = 65,110.13 : x
  2. Step 2: Convert to fraction form
    118,821.68/163,977.74 = 65,110.13/x
  3. Step 3: Cross multiply
    118,821.68x = 163,977.74 × 65,110.13
  4. Step 4: Simplify right side
    118,821.68x = 10,676,610,823.07
  5. Step 5: Solve for x
    x = 10,676,610,823.07/118,821.68
  6. Step 6: Final answer
    x = 89,854.07

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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.