Home / 212,324.68-318,528.78-70,164.24

Finding the Fourth Proportional to 212,324.68, 318,528.78 and 70,164.24

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Solution

The fourth proportional to 212,324.68, 318,528.78 and 70,164.24 is: 105,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,324.68 : 318,528.78 = 70,164.24 : x
  2. Step 2: Convert to fraction form
    212,324.68/318,528.78 = 70,164.24/x
  3. Step 3: Cross multiply
    212,324.68x = 318,528.78 × 70,164.24
  4. Step 4: Simplify right side
    212,324.68x = 22,349,329,766.83
  5. Step 5: Solve for x
    x = 22,349,329,766.83/212,324.68
  6. Step 6: Final answer
    x = 105,260.16

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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.