Home / 112,175.71-154,647.43-89,590.75

Finding the Fourth Proportional to 112,175.71, 154,647.43 and 89,590.75

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Solution

The fourth proportional to 112,175.71, 154,647.43 and 89,590.75 is: 123,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,175.71 : 154,647.43 = 89,590.75 : x
  2. Step 2: Convert to fraction form
    112,175.71/154,647.43 = 89,590.75/x
  3. Step 3: Cross multiply
    112,175.71x = 154,647.43 × 89,590.75
  4. Step 4: Simplify right side
    112,175.71x = 13,854,979,239.27
  5. Step 5: Solve for x
    x = 13,854,979,239.27/112,175.71
  6. Step 6: Final answer
    x = 123,511.40

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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.