Home / 212,446.90-293,150.10-143,686.27

Finding the Fourth Proportional to 212,446.90, 293,150.10 and 143,686.27

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Solution

The fourth proportional to 212,446.90, 293,150.10 and 143,686.27 is: 198,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,446.90 : 293,150.10 = 143,686.27 : x
  2. Step 2: Convert to fraction form
    212,446.90/293,150.10 = 143,686.27/x
  3. Step 3: Cross multiply
    212,446.90x = 293,150.10 × 143,686.27
  4. Step 4: Simplify right side
    212,446.90x = 42,121,644,419.13
  5. Step 5: Solve for x
    x = 42,121,644,419.13/212,446.90
  6. Step 6: Final answer
    x = 198,269.05

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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.