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Finding the Fourth Proportional to 168,697.70, 252,884.55 and 97,547.30

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Solution

The fourth proportional to 168,697.70, 252,884.55 and 97,547.30 is: 146,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,697.70 : 252,884.55 = 97,547.30 : x
  2. Step 2: Convert to fraction form
    168,697.70/252,884.55 = 97,547.30/x
  3. Step 3: Cross multiply
    168,697.70x = 252,884.55 × 97,547.30
  4. Step 4: Simplify right side
    168,697.70x = 24,668,205,064.22
  5. Step 5: Solve for x
    x = 24,668,205,064.22/168,697.70
  6. Step 6: Final answer
    x = 146,227.28

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1.5x scale

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.