Home / 89,518.95-134,278.43-42,104.57

Finding the Fourth Proportional to 89,518.95, 134,278.43 and 42,104.57

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Solution

The fourth proportional to 89,518.95, 134,278.43 and 42,104.57 is: 63,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,518.95 : 134,278.43 = 42,104.57 : x
  2. Step 2: Convert to fraction form
    89,518.95/134,278.43 = 42,104.57/x
  3. Step 3: Cross multiply
    89,518.95x = 134,278.43 × 42,104.57
  4. Step 4: Simplify right side
    89,518.95x = 5,653,734,673.51
  5. Step 5: Solve for x
    x = 5,653,734,673.51/89,518.95
  6. Step 6: Final answer
    x = 63,156.85

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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.