Home / 176,607.10-243,710.38-100,131.34

Finding the Fourth Proportional to 176,607.10, 243,710.38 and 100,131.34

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Solution

The fourth proportional to 176,607.10, 243,710.38 and 100,131.34 is: 138,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,607.10 : 243,710.38 = 100,131.34 : x
  2. Step 2: Convert to fraction form
    176,607.10/243,710.38 = 100,131.34/x
  3. Step 3: Cross multiply
    176,607.10x = 243,710.38 × 100,131.34
  4. Step 4: Simplify right side
    176,607.10x = 24,403,047,760.26
  5. Step 5: Solve for x
    x = 24,403,047,760.26/176,607.10
  6. Step 6: Final answer
    x = 138,177.05

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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.