Home / 112,217.78-168,349.62-45,657.38

Finding the Fourth Proportional to 112,217.78, 168,349.62 and 45,657.38

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Solution

The fourth proportional to 112,217.78, 168,349.62 and 45,657.38 is: 68,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,217.78 : 168,349.62 = 45,657.38 : x
  2. Step 2: Convert to fraction form
    112,217.78/168,349.62 = 45,657.38/x
  3. Step 3: Cross multiply
    112,217.78x = 168,349.62 × 45,657.38
  4. Step 4: Simplify right side
    112,217.78x = 7,686,402,573.20
  5. Step 5: Solve for x
    x = 7,686,402,573.20/112,217.78
  6. Step 6: Final answer
    x = 68,495.41

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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.