Home / 144,005.42-216,055.50-68,136.56

Finding the Fourth Proportional to 144,005.42, 216,055.50 and 68,136.56

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Solution

The fourth proportional to 144,005.42, 216,055.50 and 68,136.56 is: 102,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,005.42 : 216,055.50 = 68,136.56 : x
  2. Step 2: Convert to fraction form
    144,005.42/216,055.50 = 68,136.56/x
  3. Step 3: Cross multiply
    144,005.42x = 216,055.50 × 68,136.56
  4. Step 4: Simplify right side
    144,005.42x = 14,721,278,539.08
  5. Step 5: Solve for x
    x = 14,721,278,539.08/144,005.42
  6. Step 6: Final answer
    x = 102,227.25

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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.