Home / 112,476.32-155,211.96-61,491.68

Finding the Fourth Proportional to 112,476.32, 155,211.96 and 61,491.68

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Solution

The fourth proportional to 112,476.32, 155,211.96 and 61,491.68 is: 84,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,476.32 : 155,211.96 = 61,491.68 : x
  2. Step 2: Convert to fraction form
    112,476.32/155,211.96 = 61,491.68/x
  3. Step 3: Cross multiply
    112,476.32x = 155,211.96 × 61,491.68
  4. Step 4: Simplify right side
    112,476.32x = 9,544,244,176.49
  5. Step 5: Solve for x
    x = 9,544,244,176.49/112,476.32
  6. Step 6: Final answer
    x = 84,855.59

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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.