Home / 143,679.33-215,525.04-42,477.60

Finding the Fourth Proportional to 143,679.33, 215,525.04 and 42,477.60

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Solution

The fourth proportional to 143,679.33, 215,525.04 and 42,477.60 is: 63,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,679.33 : 215,525.04 = 42,477.60 : x
  2. Step 2: Convert to fraction form
    143,679.33/215,525.04 = 42,477.60/x
  3. Step 3: Cross multiply
    143,679.33x = 215,525.04 × 42,477.60
  4. Step 4: Simplify right side
    143,679.33x = 9,154,986,439.10
  5. Step 5: Solve for x
    x = 9,154,986,439.10/143,679.33
  6. Step 6: Final answer
    x = 63,718.19

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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.