Home / 154,555.95-231,867.13-47,937.67

Finding the Fourth Proportional to 154,555.95, 231,867.13 and 47,937.67

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Solution

The fourth proportional to 154,555.95, 231,867.13 and 47,937.67 is: 71,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,555.95 : 231,867.13 = 47,937.67 : x
  2. Step 2: Convert to fraction form
    154,555.95/231,867.13 = 47,937.67/x
  3. Step 3: Cross multiply
    154,555.95x = 231,867.13 × 47,937.67
  4. Step 4: Simplify right side
    154,555.95x = 11,115,169,841.94
  5. Step 5: Solve for x
    x = 11,115,169,841.94/154,555.95
  6. Step 6: Final answer
    x = 71,916.81

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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.