Home / 94,908.18-142,387.02-28,348.32

Finding the Fourth Proportional to 94,908.18, 142,387.02 and 28,348.32

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Solution

The fourth proportional to 94,908.18, 142,387.02 and 28,348.32 is: 42,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,908.18 : 142,387.02 = 28,348.32 : x
  2. Step 2: Convert to fraction form
    94,908.18/142,387.02 = 28,348.32/x
  3. Step 3: Cross multiply
    94,908.18x = 142,387.02 × 28,348.32
  4. Step 4: Simplify right side
    94,908.18x = 4,036,432,806.81
  5. Step 5: Solve for x
    x = 4,036,432,806.81/94,908.18
  6. Step 6: Final answer
    x = 42,529.87

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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.