Home / 144,302.53-216,453.78-39,118.76

Finding the Fourth Proportional to 144,302.53, 216,453.78 and 39,118.76

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Solution

The fourth proportional to 144,302.53, 216,453.78 and 39,118.76 is: 58,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,302.53 : 216,453.78 = 39,118.76 : x
  2. Step 2: Convert to fraction form
    144,302.53/216,453.78 = 39,118.76/x
  3. Step 3: Cross multiply
    144,302.53x = 216,453.78 × 39,118.76
  4. Step 4: Simplify right side
    144,302.53x = 8,467,403,470.91
  5. Step 5: Solve for x
    x = 8,467,403,470.91/144,302.53
  6. Step 6: Final answer
    x = 58,678.14

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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.