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Finding the Fourth Proportional to 173,614.76, 260,442.96 and 61,271.76

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Solution

The fourth proportional to 173,614.76, 260,442.96 and 61,271.76 is: 91,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,614.76 : 260,442.96 = 61,271.76 : x
  2. Step 2: Convert to fraction form
    173,614.76/260,442.96 = 61,271.76/x
  3. Step 3: Cross multiply
    173,614.76x = 260,442.96 × 61,271.76
  4. Step 4: Simplify right side
    173,614.76x = 15,957,798,538.81
  5. Step 5: Solve for x
    x = 15,957,798,538.81/173,614.76
  6. Step 6: Final answer
    x = 91,914.99

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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.