Home / 112,637.39-155,437.25-61,648.94

Finding the Fourth Proportional to 112,637.39, 155,437.25 and 61,648.94

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Solution

The fourth proportional to 112,637.39, 155,437.25 and 61,648.94 is: 85,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,637.39 : 155,437.25 = 61,648.94 : x
  2. Step 2: Convert to fraction form
    112,637.39/155,437.25 = 61,648.94/x
  3. Step 3: Cross multiply
    112,637.39x = 155,437.25 × 61,648.94
  4. Step 4: Simplify right side
    112,637.39x = 9,582,540,613.58
  5. Step 5: Solve for x
    x = 9,582,540,613.58/112,637.39
  6. Step 6: Final answer
    x = 85,074.25

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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.