Home / 156,422.63-216,041.42-106,034.15

Finding the Fourth Proportional to 156,422.63, 216,041.42 and 106,034.15

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Solution

The fourth proportional to 156,422.63, 216,041.42 and 106,034.15 is: 146,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,422.63 : 216,041.42 = 106,034.15 : x
  2. Step 2: Convert to fraction form
    156,422.63/216,041.42 = 106,034.15/x
  3. Step 3: Cross multiply
    156,422.63x = 216,041.42 × 106,034.15
  4. Step 4: Simplify right side
    156,422.63x = 22,907,767,519.37
  5. Step 5: Solve for x
    x = 22,907,767,519.37/156,422.63
  6. Step 6: Final answer
    x = 146,447.92

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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.