Home / 176,134.76-243,032.10-100,667.24

Finding the Fourth Proportional to 176,134.76, 243,032.10 and 100,667.24

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Solution

The fourth proportional to 176,134.76, 243,032.10 and 100,667.24 is: 138,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,134.76 : 243,032.10 = 100,667.24 : x
  2. Step 2: Convert to fraction form
    176,134.76/243,032.10 = 100,667.24/x
  3. Step 3: Cross multiply
    176,134.76x = 243,032.10 × 100,667.24
  4. Step 4: Simplify right side
    176,134.76x = 24,465,370,738.40
  5. Step 5: Solve for x
    x = 24,465,370,738.40/176,134.76
  6. Step 6: Final answer
    x = 138,901.43

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1.5x scale

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.