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Finding the Fourth Proportional to 110,322.86, 152,239.11 and 61,920.29

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Solution

The fourth proportional to 110,322.86, 152,239.11 and 61,920.29 is: 85,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,322.86 : 152,239.11 = 61,920.29 : x
  2. Step 2: Convert to fraction form
    110,322.86/152,239.11 = 61,920.29/x
  3. Step 3: Cross multiply
    110,322.86x = 152,239.11 × 61,920.29
  4. Step 4: Simplify right side
    110,322.86x = 9,426,689,840.54
  5. Step 5: Solve for x
    x = 9,426,689,840.54/110,322.86
  6. Step 6: Final answer
    x = 85,446.39

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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.