Home / 156,242.03-215,627.28-88,271.49

Finding the Fourth Proportional to 156,242.03, 215,627.28 and 88,271.49

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Solution

The fourth proportional to 156,242.03, 215,627.28 and 88,271.49 is: 121,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,242.03 : 215,627.28 = 88,271.49 : x
  2. Step 2: Convert to fraction form
    156,242.03/215,627.28 = 88,271.49/x
  3. Step 3: Cross multiply
    156,242.03x = 215,627.28 × 88,271.49
  4. Step 4: Simplify right side
    156,242.03x = 19,033,741,290.25
  5. Step 5: Solve for x
    x = 19,033,741,290.25/156,242.03
  6. Step 6: Final answer
    x = 121,822.16

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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.