Home / 143,583.04-215,374.51-38,399.28

Finding the Fourth Proportional to 143,583.04, 215,374.51 and 38,399.28

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Solution

The fourth proportional to 143,583.04, 215,374.51 and 38,399.28 is: 57,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,583.04 : 215,374.51 = 38,399.28 : x
  2. Step 2: Convert to fraction form
    143,583.04/215,374.51 = 38,399.28/x
  3. Step 3: Cross multiply
    143,583.04x = 215,374.51 × 38,399.28
  4. Step 4: Simplify right side
    143,583.04x = 8,270,225,354.70
  5. Step 5: Solve for x
    x = 8,270,225,354.70/143,583.04
  6. Step 6: Final answer
    x = 57,598.90

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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.