Home / 94,718.28-142,100.81-28,158.12

Finding the Fourth Proportional to 94,718.28, 142,100.81 and 28,158.12

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Solution

The fourth proportional to 94,718.28, 142,100.81 and 28,158.12 is: 42,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,718.28 : 142,100.81 = 28,158.12 : x
  2. Step 2: Convert to fraction form
    94,718.28/142,100.81 = 28,158.12/x
  3. Step 3: Cross multiply
    94,718.28x = 142,100.81 × 28,158.12
  4. Step 4: Simplify right side
    94,718.28x = 4,001,291,519.29
  5. Step 5: Solve for x
    x = 4,001,291,519.29/94,718.28
  6. Step 6: Final answer
    x = 42,244.13

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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.