Home / 94,838.16-142,255.81-28,278.57

Finding the Fourth Proportional to 94,838.16, 142,255.81 and 28,278.57

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Solution

The fourth proportional to 94,838.16, 142,255.81 and 28,278.57 is: 42,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,838.16 : 142,255.81 = 28,278.57 : x
  2. Step 2: Convert to fraction form
    94,838.16/142,255.81 = 28,278.57/x
  3. Step 3: Cross multiply
    94,838.16x = 142,255.81 × 28,278.57
  4. Step 4: Simplify right side
    94,838.16x = 4,022,790,880.99
  5. Step 5: Solve for x
    x = 4,022,790,880.99/94,838.16
  6. Step 6: Final answer
    x = 42,417.43

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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.