Home / 109,119.43-150,583.33-61,372.76

Finding the Fourth Proportional to 109,119.43, 150,583.33 and 61,372.76

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Solution

The fourth proportional to 109,119.43, 150,583.33 and 61,372.76 is: 84,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,119.43 : 150,583.33 = 61,372.76 : x
  2. Step 2: Convert to fraction form
    109,119.43/150,583.33 = 61,372.76/x
  3. Step 3: Cross multiply
    109,119.43x = 150,583.33 × 61,372.76
  4. Step 4: Simplify right side
    109,119.43x = 9,241,714,572.09
  5. Step 5: Solve for x
    x = 9,241,714,572.09/109,119.43
  6. Step 6: Final answer
    x = 84,693.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.