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Finding the Fourth Proportional to 173,953.35, 260,847.78 and 67,387.22

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Solution

The fourth proportional to 173,953.35, 260,847.78 and 67,387.22 is: 101,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,953.35 : 260,847.78 = 67,387.22 : x
  2. Step 2: Convert to fraction form
    173,953.35/260,847.78 = 67,387.22/x
  3. Step 3: Cross multiply
    173,953.35x = 260,847.78 × 67,387.22
  4. Step 4: Simplify right side
    173,953.35x = 17,577,806,253.72
  5. Step 5: Solve for x
    x = 17,577,806,253.72/173,953.35
  6. Step 6: Final answer
    x = 101,048.97

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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.