Home / 79,148.34-109,224.88-42,850.17

Finding the Fourth Proportional to 79,148.34, 109,224.88 and 42,850.17

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Solution

The fourth proportional to 79,148.34, 109,224.88 and 42,850.17 is: 59,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,148.34 : 109,224.88 = 42,850.17 : x
  2. Step 2: Convert to fraction form
    79,148.34/109,224.88 = 42,850.17/x
  3. Step 3: Cross multiply
    79,148.34x = 109,224.88 × 42,850.17
  4. Step 4: Simplify right side
    79,148.34x = 4,680,304,130.11
  5. Step 5: Solve for x
    x = 4,680,304,130.11/79,148.34
  6. Step 6: Final answer
    x = 59,133.32

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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.