Home / 168,045.02-231,796.18-100,011.20

Finding the Fourth Proportional to 168,045.02, 231,796.18 and 100,011.20

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Solution

The fourth proportional to 168,045.02, 231,796.18 and 100,011.20 is: 137,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,045.02 : 231,796.18 = 100,011.20 : x
  2. Step 2: Convert to fraction form
    168,045.02/231,796.18 = 100,011.20/x
  3. Step 3: Cross multiply
    168,045.02x = 231,796.18 × 100,011.20
  4. Step 4: Simplify right side
    168,045.02x = 23,182,214,117.22
  5. Step 5: Solve for x
    x = 23,182,214,117.22/168,045.02
  6. Step 6: Final answer
    x = 137,952.40

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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.