Home / 142,855.65-214,314.39-43,008.17

Finding the Fourth Proportional to 142,855.65, 214,314.39 and 43,008.17

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Solution

The fourth proportional to 142,855.65, 214,314.39 and 43,008.17 is: 64,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,855.65 : 214,314.39 = 43,008.17 : x
  2. Step 2: Convert to fraction form
    142,855.65/214,314.39 = 43,008.17/x
  3. Step 3: Cross multiply
    142,855.65x = 214,314.39 × 43,008.17
  4. Step 4: Simplify right side
    142,855.65x = 9,217,268,646.99
  5. Step 5: Solve for x
    x = 9,217,268,646.99/142,855.65
  6. Step 6: Final answer
    x = 64,521.55

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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.