Home / 112,556.18-155,320.99-61,559.39

Finding the Fourth Proportional to 112,556.18, 155,320.99 and 61,559.39

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Solution

The fourth proportional to 112,556.18, 155,320.99 and 61,559.39 is: 84,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,556.18 : 155,320.99 = 61,559.39 : x
  2. Step 2: Convert to fraction form
    112,556.18/155,320.99 = 61,559.39/x
  3. Step 3: Cross multiply
    112,556.18x = 155,320.99 × 61,559.39
  4. Step 4: Simplify right side
    112,556.18x = 9,561,464,468.09
  5. Step 5: Solve for x
    x = 9,561,464,468.09/112,556.18
  6. Step 6: Final answer
    x = 84,948.38

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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.