Home / 212,473.28-293,173.08-131,920.40

Finding the Fourth Proportional to 212,473.28, 293,173.08 and 131,920.40

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Solution

The fourth proportional to 212,473.28, 293,173.08 and 131,920.40 is: 182,025.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,473.28 : 293,173.08 = 131,920.40 : x
  2. Step 2: Convert to fraction form
    212,473.28/293,173.08 = 131,920.40/x
  3. Step 3: Cross multiply
    212,473.28x = 293,173.08 × 131,920.40
  4. Step 4: Simplify right side
    212,473.28x = 38,675,509,982.83
  5. Step 5: Solve for x
    x = 38,675,509,982.83/212,473.28
  6. Step 6: Final answer
    x = 182,025.29

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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.