Home / 156,733.48-216,326.65-103,023.50

Finding the Fourth Proportional to 156,733.48, 216,326.65 and 103,023.50

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Solution

The fourth proportional to 156,733.48, 216,326.65 and 103,023.50 is: 142,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,733.48 : 216,326.65 = 103,023.50 : x
  2. Step 2: Convert to fraction form
    156,733.48/216,326.65 = 103,023.50/x
  3. Step 3: Cross multiply
    156,733.48x = 216,326.65 × 103,023.50
  4. Step 4: Simplify right side
    156,733.48x = 22,286,727,480.25
  5. Step 5: Solve for x
    x = 22,286,727,480.25/156,733.48
  6. Step 6: Final answer
    x = 142,195.06

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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.