Home / 156,254.76-215,631.63-84,634.56

Finding the Fourth Proportional to 156,254.76, 215,631.63 and 84,634.56

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Solution

The fourth proportional to 156,254.76, 215,631.63 and 84,634.56 is: 116,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,254.76 : 215,631.63 = 84,634.56 : x
  2. Step 2: Convert to fraction form
    156,254.76/215,631.63 = 84,634.56/x
  3. Step 3: Cross multiply
    156,254.76x = 215,631.63 × 84,634.56
  4. Step 4: Simplify right side
    156,254.76x = 18,249,888,127.13
  5. Step 5: Solve for x
    x = 18,249,888,127.13/156,254.76
  6. Step 6: Final answer
    x = 116,795.73

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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.