Home / 90,899.27-136,376.69-46,557.39

Finding the Fourth Proportional to 90,899.27, 136,376.69 and 46,557.39

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Solution

The fourth proportional to 90,899.27, 136,376.69 and 46,557.39 is: 69,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,899.27 : 136,376.69 = 46,557.39 : x
  2. Step 2: Convert to fraction form
    90,899.27/136,376.69 = 46,557.39/x
  3. Step 3: Cross multiply
    90,899.27x = 136,376.69 × 46,557.39
  4. Step 4: Simplify right side
    90,899.27x = 6,349,342,510.45
  5. Step 5: Solve for x
    x = 6,349,342,510.45/90,899.27
  6. Step 6: Final answer
    x = 69,850.32

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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.