Home / 118,832.06-163,988.35-65,117.32

Finding the Fourth Proportional to 118,832.06, 163,988.35 and 65,117.32

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Solution

The fourth proportional to 118,832.06, 163,988.35 and 65,117.32 is: 89,861.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,832.06 : 163,988.35 = 65,117.32 : x
  2. Step 2: Convert to fraction form
    118,832.06/163,988.35 = 65,117.32/x
  3. Step 3: Cross multiply
    118,832.06x = 163,988.35 × 65,117.32
  4. Step 4: Simplify right side
    118,832.06x = 10,678,481,290.46
  5. Step 5: Solve for x
    x = 10,678,481,290.46/118,832.06
  6. Step 6: Final answer
    x = 89,861.95

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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.