Home / 168,547.20-252,984.60-131,510.40

Finding the Fourth Proportional to 168,547.20, 252,984.60 and 131,510.40

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Solution

The fourth proportional to 168,547.20, 252,984.60 and 131,510.40 is: 197,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,547.20 : 252,984.60 = 131,510.40 : x
  2. Step 2: Convert to fraction form
    168,547.20/252,984.60 = 131,510.40/x
  3. Step 3: Cross multiply
    168,547.20x = 252,984.60 × 131,510.40
  4. Step 4: Simplify right side
    168,547.20x = 33,270,105,939.84
  5. Step 5: Solve for x
    x = 33,270,105,939.84/168,547.20
  6. Step 6: Final answer
    x = 197,393.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.