Home / 102,197.87-153,296.85-45,972.29

Finding the Fourth Proportional to 102,197.87, 153,296.85 and 45,972.29

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Solution

The fourth proportional to 102,197.87, 153,296.85 and 45,972.29 is: 68,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,197.87 : 153,296.85 = 45,972.29 : x
  2. Step 2: Convert to fraction form
    102,197.87/153,296.85 = 45,972.29/x
  3. Step 3: Cross multiply
    102,197.87x = 153,296.85 × 45,972.29
  4. Step 4: Simplify right side
    102,197.87x = 7,047,406,247.94
  5. Step 5: Solve for x
    x = 7,047,406,247.94/102,197.87
  6. Step 6: Final answer
    x = 68,958.45

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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.