Home / 210,023.08-315,035.76-52,251.56

Finding the Fourth Proportional to 210,023.08, 315,035.76 and 52,251.56

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Solution

The fourth proportional to 210,023.08, 315,035.76 and 52,251.56 is: 78,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,023.08 : 315,035.76 = 52,251.56 : x
  2. Step 2: Convert to fraction form
    210,023.08/315,035.76 = 52,251.56/x
  3. Step 3: Cross multiply
    210,023.08x = 315,035.76 × 52,251.56
  4. Step 4: Simplify right side
    210,023.08x = 16,461,109,915.79
  5. Step 5: Solve for x
    x = 16,461,109,915.79/210,023.08
  6. Step 6: Final answer
    x = 78,377.62

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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.