Home / 94,747.28-141,985.32-69,590

Finding the Fourth Proportional to 94,747.28, 141,985.32 and 69,590

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Solution

The fourth proportional to 94,747.28, 141,985.32 and 69,590 is: 104,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,747.28 : 141,985.32 = 69,590 : x
  2. Step 2: Convert to fraction form
    94,747.28/141,985.32 = 69,590/x
  3. Step 3: Cross multiply
    94,747.28x = 141,985.32 × 69,590
  4. Step 4: Simplify right side
    94,747.28x = 9,880,758,418.80
  5. Step 5: Solve for x
    x = 9,880,758,418.80/94,747.28
  6. Step 6: Final answer
    x = 104,285.40

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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.