Home / 109,011.42-150,428.88-61,264.08

Finding the Fourth Proportional to 109,011.42, 150,428.88 and 61,264.08

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Solution

The fourth proportional to 109,011.42, 150,428.88 and 61,264.08 is: 84,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,011.42 : 150,428.88 = 61,264.08 : x
  2. Step 2: Convert to fraction form
    109,011.42/150,428.88 = 61,264.08/x
  3. Step 3: Cross multiply
    109,011.42x = 150,428.88 × 61,264.08
  4. Step 4: Simplify right side
    109,011.42x = 9,215,886,938.63
  5. Step 5: Solve for x
    x = 9,215,886,938.63/109,011.42
  6. Step 6: Final answer
    x = 84,540.56

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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.