Home / 112,604.42-155,392.75-61,616.59

Finding the Fourth Proportional to 112,604.42, 155,392.75 and 61,616.59

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Solution

The fourth proportional to 112,604.42, 155,392.75 and 61,616.59 is: 85,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,604.42 : 155,392.75 = 61,616.59 : x
  2. Step 2: Convert to fraction form
    112,604.42/155,392.75 = 61,616.59/x
  3. Step 3: Cross multiply
    112,604.42x = 155,392.75 × 61,616.59
  4. Step 4: Simplify right side
    112,604.42x = 9,574,770,823.20
  5. Step 5: Solve for x
    x = 9,574,770,823.20/112,604.42
  6. Step 6: Final answer
    x = 85,030.15

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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.