Home / 118,719.04-163,827.20-65,003.08

Finding the Fourth Proportional to 118,719.04, 163,827.20 and 65,003.08

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Solution

The fourth proportional to 118,719.04, 163,827.20 and 65,003.08 is: 89,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,719.04 : 163,827.20 = 65,003.08 : x
  2. Step 2: Convert to fraction form
    118,719.04/163,827.20 = 65,003.08/x
  3. Step 3: Cross multiply
    118,719.04x = 163,827.20 × 65,003.08
  4. Step 4: Simplify right side
    118,719.04x = 10,649,272,587.78
  5. Step 5: Solve for x
    x = 10,649,272,587.78/118,719.04
  6. Step 6: Final answer
    x = 89,701.47

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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.