Home / 112,612.33-155,405.03-61,625.07

Finding the Fourth Proportional to 112,612.33, 155,405.03 and 61,625.07

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Solution

The fourth proportional to 112,612.33, 155,405.03 and 61,625.07 is: 85,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,612.33 : 155,405.03 = 61,625.07 : x
  2. Step 2: Convert to fraction form
    112,612.33/155,405.03 = 61,625.07/x
  3. Step 3: Cross multiply
    112,612.33x = 155,405.03 × 61,625.07
  4. Step 4: Simplify right side
    112,612.33x = 9,576,845,852.10
  5. Step 5: Solve for x
    x = 9,576,845,852.10/112,612.33
  6. Step 6: Final answer
    x = 85,042.60

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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.