Home / 176,642.16-243,704.34-100,150.08

Finding the Fourth Proportional to 176,642.16, 243,704.34 and 100,150.08

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Solution

The fourth proportional to 176,642.16, 243,704.34 and 100,150.08 is: 138,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,642.16 : 243,704.34 = 100,150.08 : x
  2. Step 2: Convert to fraction form
    176,642.16/243,704.34 = 100,150.08/x
  3. Step 3: Cross multiply
    176,642.16x = 243,704.34 × 100,150.08
  4. Step 4: Simplify right side
    176,642.16x = 24,407,009,147.35
  5. Step 5: Solve for x
    x = 24,407,009,147.35/176,642.16
  6. Step 6: Final answer
    x = 138,172.05

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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.