Home / 112,207.05-168,165.16-45,569.77

Finding the Fourth Proportional to 112,207.05, 168,165.16 and 45,569.77

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Solution

The fourth proportional to 112,207.05, 168,165.16 and 45,569.77 is: 68,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207.05 : 168,165.16 = 45,569.77 : x
  2. Step 2: Convert to fraction form
    112,207.05/168,165.16 = 45,569.77/x
  3. Step 3: Cross multiply
    112,207.05x = 168,165.16 × 45,569.77
  4. Step 4: Simplify right side
    112,207.05x = 7,663,247,887.66
  5. Step 5: Solve for x
    x = 7,663,247,887.66/112,207.05
  6. Step 6: Final answer
    x = 68,295.60

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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.