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Finding the Fourth Proportional to 173,615.26, 260,443.71 and 61,272.26

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Solution

The fourth proportional to 173,615.26, 260,443.71 and 61,272.26 is: 91,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,615.26 : 260,443.71 = 61,272.26 : x
  2. Step 2: Convert to fraction form
    173,615.26/260,443.71 = 61,272.26/x
  3. Step 3: Cross multiply
    173,615.26x = 260,443.71 × 61,272.26
  4. Step 4: Simplify right side
    173,615.26x = 15,957,974,714.48
  5. Step 5: Solve for x
    x = 15,957,974,714.48/173,615.26
  6. Step 6: Final answer
    x = 91,915.74

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1.5x scale

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.