Home / 112,344.31-155,035.43-61,357.44

Finding the Fourth Proportional to 112,344.31, 155,035.43 and 61,357.44

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Solution

The fourth proportional to 112,344.31, 155,035.43 and 61,357.44 is: 84,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,344.31 : 155,035.43 = 61,357.44 : x
  2. Step 2: Convert to fraction form
    112,344.31/155,035.43 = 61,357.44/x
  3. Step 3: Cross multiply
    112,344.31x = 155,035.43 × 61,357.44
  4. Step 4: Simplify right side
    112,344.31x = 9,512,577,094.10
  5. Step 5: Solve for x
    x = 9,512,577,094.10/112,344.31
  6. Step 6: Final answer
    x = 84,673.42

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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.