Home / 112,603.20-155,377.10-67,271.58

Finding the Fourth Proportional to 112,603.20, 155,377.10 and 67,271.58

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Solution

The fourth proportional to 112,603.20, 155,377.10 and 67,271.58 is: 92,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,603.20 : 155,377.10 = 67,271.58 : x
  2. Step 2: Convert to fraction form
    112,603.20/155,377.10 = 67,271.58/x
  3. Step 3: Cross multiply
    112,603.20x = 155,377.10 × 67,271.58
  4. Step 4: Simplify right side
    112,603.20x = 10,452,462,676.46
  5. Step 5: Solve for x
    x = 10,452,462,676.46/112,603.20
  6. Step 6: Final answer
    x = 92,825.63

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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.