Home / 142,399.08-213,613.20-53,727.17

Finding the Fourth Proportional to 142,399.08, 213,613.20 and 53,727.17

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Solution

The fourth proportional to 142,399.08, 213,613.20 and 53,727.17 is: 80,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,399.08 : 213,613.20 = 53,727.17 : x
  2. Step 2: Convert to fraction form
    142,399.08/213,613.20 = 53,727.17/x
  3. Step 3: Cross multiply
    142,399.08x = 213,613.20 × 53,727.17
  4. Step 4: Simplify right side
    142,399.08x = 11,476,831,642.58
  5. Step 5: Solve for x
    x = 11,476,831,642.58/142,399.08
  6. Step 6: Final answer
    x = 80,596.25

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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.