Home / 142,246.53-213,401.57-53,500.80

Finding the Fourth Proportional to 142,246.53, 213,401.57 and 53,500.80

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Solution

The fourth proportional to 142,246.53, 213,401.57 and 53,500.80 is: 80,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,246.53 : 213,401.57 = 53,500.80 : x
  2. Step 2: Convert to fraction form
    142,246.53/213,401.57 = 53,500.80/x
  3. Step 3: Cross multiply
    142,246.53x = 213,401.57 × 53,500.80
  4. Step 4: Simplify right side
    142,246.53x = 11,417,154,716.26
  5. Step 5: Solve for x
    x = 11,417,154,716.26/142,246.53
  6. Step 6: Final answer
    x = 80,263.15

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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.