Home / 212,414.47-318,545.81-70,233.50

Finding the Fourth Proportional to 212,414.47, 318,545.81 and 70,233.50

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Solution

The fourth proportional to 212,414.47, 318,545.81 and 70,233.50 is: 105,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,414.47 : 318,545.81 = 70,233.50 : x
  2. Step 2: Convert to fraction form
    212,414.47/318,545.81 = 70,233.50/x
  3. Step 3: Cross multiply
    212,414.47x = 318,545.81 × 70,233.50
  4. Step 4: Simplify right side
    212,414.47x = 22,372,587,855.21
  5. Step 5: Solve for x
    x = 22,372,587,855.21/212,414.47
  6. Step 6: Final answer
    x = 105,325.16

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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.