Home / 112,809.42-155,676.39-62,508.30

Finding the Fourth Proportional to 112,809.42, 155,676.39 and 62,508.30

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Solution

The fourth proportional to 112,809.42, 155,676.39 and 62,508.30 is: 86,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,809.42 : 155,676.39 = 62,508.30 : x
  2. Step 2: Convert to fraction form
    112,809.42/155,676.39 = 62,508.30/x
  3. Step 3: Cross multiply
    112,809.42x = 155,676.39 × 62,508.30
  4. Step 4: Simplify right side
    112,809.42x = 9,731,066,489.04
  5. Step 5: Solve for x
    x = 9,731,066,489.04/112,809.42
  6. Step 6: Final answer
    x = 86,261.12

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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.