Home / 112,057.40-167,855.70-77,036.60

Finding the Fourth Proportional to 112,057.40, 167,855.70 and 77,036.60

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Solution

The fourth proportional to 112,057.40, 167,855.70 and 77,036.60 is: 115,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,057.40 : 167,855.70 = 77,036.60 : x
  2. Step 2: Convert to fraction form
    112,057.40/167,855.70 = 77,036.60/x
  3. Step 3: Cross multiply
    112,057.40x = 167,855.70 × 77,036.60
  4. Step 4: Simplify right side
    112,057.40x = 12,931,032,418.62
  5. Step 5: Solve for x
    x = 12,931,032,418.62/112,057.40
  6. Step 6: Final answer
    x = 115,396.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.