Home / 100,774.24-151,141.12-95,778.40

Finding the Fourth Proportional to 100,774.24, 151,141.12 and 95,778.40

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Solution

The fourth proportional to 100,774.24, 151,141.12 and 95,778.40 is: 143,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,774.24 : 151,141.12 = 95,778.40 : x
  2. Step 2: Convert to fraction form
    100,774.24/151,141.12 = 95,778.40/x
  3. Step 3: Cross multiply
    100,774.24x = 151,141.12 × 95,778.40
  4. Step 4: Simplify right side
    100,774.24x = 14,476,054,647.81
  5. Step 5: Solve for x
    x = 14,476,054,647.81/100,774.24
  6. Step 6: Final answer
    x = 143,648.36

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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.