Home / 112,418.72-155,137.85-62,117.72

Finding the Fourth Proportional to 112,418.72, 155,137.85 and 62,117.72

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Solution

The fourth proportional to 112,418.72, 155,137.85 and 62,117.72 is: 85,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,418.72 : 155,137.85 = 62,117.72 : x
  2. Step 2: Convert to fraction form
    112,418.72/155,137.85 = 62,117.72/x
  3. Step 3: Cross multiply
    112,418.72x = 155,137.85 × 62,117.72
  4. Step 4: Simplify right side
    112,418.72x = 9,636,809,527.70
  5. Step 5: Solve for x
    x = 9,636,809,527.70/112,418.72
  6. Step 6: Final answer
    x = 85,722.46

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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.