Home / 90,531.84-124,566.75-74,339.94

Finding the Fourth Proportional to 90,531.84, 124,566.75 and 74,339.94

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Solution

The fourth proportional to 90,531.84, 124,566.75 and 74,339.94 is: 102,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,531.84 : 124,566.75 = 74,339.94 : x
  2. Step 2: Convert to fraction form
    90,531.84/124,566.75 = 74,339.94/x
  3. Step 3: Cross multiply
    90,531.84x = 124,566.75 × 74,339.94
  4. Step 4: Simplify right side
    90,531.84x = 9,260,284,721.00
  5. Step 5: Solve for x
    x = 9,260,284,721.00/90,531.84
  6. Step 6: Final answer
    x = 102,287.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.