Home / 156,741.40-216,301.62-88,756.60

Finding the Fourth Proportional to 156,741.40, 216,301.62 and 88,756.60

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Solution

The fourth proportional to 156,741.40, 216,301.62 and 88,756.60 is: 122,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.40 : 216,301.62 = 88,756.60 : x
  2. Step 2: Convert to fraction form
    156,741.40/216,301.62 = 88,756.60/x
  3. Step 3: Cross multiply
    156,741.40x = 216,301.62 × 88,756.60
  4. Step 4: Simplify right side
    156,741.40x = 19,198,196,365.69
  5. Step 5: Solve for x
    x = 19,198,196,365.69/156,741.40
  6. Step 6: Final answer
    x = 122,483.25

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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.