Home / 158,211.16-218,255.88-97,760.05

Finding the Fourth Proportional to 158,211.16, 218,255.88 and 97,760.05

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Solution

The fourth proportional to 158,211.16, 218,255.88 and 97,760.05 is: 134,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,211.16 : 218,255.88 = 97,760.05 : x
  2. Step 2: Convert to fraction form
    158,211.16/218,255.88 = 97,760.05/x
  3. Step 3: Cross multiply
    158,211.16x = 218,255.88 × 97,760.05
  4. Step 4: Simplify right side
    158,211.16x = 21,336,705,562.55
  5. Step 5: Solve for x
    x = 21,336,705,562.55/158,211.16
  6. Step 6: Final answer
    x = 134,862.21

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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.