Home / 144,313.40-216,470.10-137,424.35

Finding the Fourth Proportional to 144,313.40, 216,470.10 and 137,424.35

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Solution

The fourth proportional to 144,313.40, 216,470.10 and 137,424.35 is: 206,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,313.40 : 216,470.10 = 137,424.35 : x
  2. Step 2: Convert to fraction form
    144,313.40/216,470.10 = 137,424.35/x
  3. Step 3: Cross multiply
    144,313.40x = 216,470.10 × 137,424.35
  4. Step 4: Simplify right side
    144,313.40x = 29,748,262,786.94
  5. Step 5: Solve for x
    x = 29,748,262,786.94/144,313.40
  6. Step 6: Final answer
    x = 206,136.53

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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.