Home / 143,567.47-215,334.72-38,394.64

Finding the Fourth Proportional to 143,567.47, 215,334.72 and 38,394.64

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Solution

The fourth proportional to 143,567.47, 215,334.72 and 38,394.64 is: 57,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,567.47 : 215,334.72 = 38,394.64 : x
  2. Step 2: Convert to fraction form
    143,567.47/215,334.72 = 38,394.64/x
  3. Step 3: Cross multiply
    143,567.47x = 215,334.72 × 38,394.64
  4. Step 4: Simplify right side
    143,567.47x = 8,267,697,977.23
  5. Step 5: Solve for x
    x = 8,267,697,977.23/143,567.47
  6. Step 6: Final answer
    x = 57,587.55

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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.