Home / 112,542.29-155,307.09-61,556.48

Finding the Fourth Proportional to 112,542.29, 155,307.09 and 61,556.48

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Solution

The fourth proportional to 112,542.29, 155,307.09 and 61,556.48 is: 84,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,542.29 : 155,307.09 = 61,556.48 : x
  2. Step 2: Convert to fraction form
    112,542.29/155,307.09 = 61,556.48/x
  3. Step 3: Cross multiply
    112,542.29x = 155,307.09 × 61,556.48
  4. Step 4: Simplify right side
    112,542.29x = 9,560,157,779.44
  5. Step 5: Solve for x
    x = 9,560,157,779.44/112,542.29
  6. Step 6: Final answer
    x = 84,947.25

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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.