Home / 156,615.24-216,233.10-92,973.48

Finding the Fourth Proportional to 156,615.24, 216,233.10 and 92,973.48

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Solution

The fourth proportional to 156,615.24, 216,233.10 and 92,973.48 is: 128,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,615.24 : 216,233.10 = 92,973.48 : x
  2. Step 2: Convert to fraction form
    156,615.24/216,233.10 = 92,973.48/x
  3. Step 3: Cross multiply
    156,615.24x = 216,233.10 × 92,973.48
  4. Step 4: Simplify right side
    156,615.24x = 20,103,943,798.19
  5. Step 5: Solve for x
    x = 20,103,943,798.19/156,615.24
  6. Step 6: Final answer
    x = 128,365.18

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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.