Home / 91,327.95-137,004.75-28,153.14

Finding the Fourth Proportional to 91,327.95, 137,004.75 and 28,153.14

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Solution

The fourth proportional to 91,327.95, 137,004.75 and 28,153.14 is: 42,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,327.95 : 137,004.75 = 28,153.14 : x
  2. Step 2: Convert to fraction form
    91,327.95/137,004.75 = 28,153.14/x
  3. Step 3: Cross multiply
    91,327.95x = 137,004.75 × 28,153.14
  4. Step 4: Simplify right side
    91,327.95x = 3,857,113,907.42
  5. Step 5: Solve for x
    x = 3,857,113,907.42/91,327.95
  6. Step 6: Final answer
    x = 42,233.66

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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.