Home / 144,211.32-216,079.75-49,389.21

Finding the Fourth Proportional to 144,211.32, 216,079.75 and 49,389.21

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Solution

The fourth proportional to 144,211.32, 216,079.75 and 49,389.21 is: 74,002.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,211.32 : 216,079.75 = 49,389.21 : x
  2. Step 2: Convert to fraction form
    144,211.32/216,079.75 = 49,389.21/x
  3. Step 3: Cross multiply
    144,211.32x = 216,079.75 × 49,389.21
  4. Step 4: Simplify right side
    144,211.32x = 10,672,008,211.23
  5. Step 5: Solve for x
    x = 10,672,008,211.23/144,211.32
  6. Step 6: Final answer
    x = 74,002.57

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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.