Home / 212,925.50-318,723.91-156,828.94

Finding the Fourth Proportional to 212,925.50, 318,723.91 and 156,828.94

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Solution

The fourth proportional to 212,925.50, 318,723.91 and 156,828.94 is: 234,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,925.50 : 318,723.91 = 156,828.94 : x
  2. Step 2: Convert to fraction form
    212,925.50/318,723.91 = 156,828.94/x
  3. Step 3: Cross multiply
    212,925.50x = 318,723.91 × 156,828.94
  4. Step 4: Simplify right side
    212,925.50x = 49,985,132,957.96
  5. Step 5: Solve for x
    x = 49,985,132,957.96/212,925.50
  6. Step 6: Final answer
    x = 234,754.09

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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.