Home / 92,007.69-138,011.36-28,832.65

Finding the Fourth Proportional to 92,007.69, 138,011.36 and 28,832.65

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Solution

The fourth proportional to 92,007.69, 138,011.36 and 28,832.65 is: 43,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,007.69 : 138,011.36 = 28,832.65 : x
  2. Step 2: Convert to fraction form
    92,007.69/138,011.36 = 28,832.65/x
  3. Step 3: Cross multiply
    92,007.69x = 138,011.36 × 28,832.65
  4. Step 4: Simplify right side
    92,007.69x = 3,979,233,238.90
  5. Step 5: Solve for x
    x = 3,979,233,238.90/92,007.69
  6. Step 6: Final answer
    x = 43,248.92

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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.