Home / 152,320.29-210,135.83-91,857.33

Finding the Fourth Proportional to 152,320.29, 210,135.83 and 91,857.33

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Solution

The fourth proportional to 152,320.29, 210,135.83 and 91,857.33 is: 126,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,320.29 : 210,135.83 = 91,857.33 : x
  2. Step 2: Convert to fraction form
    152,320.29/210,135.83 = 91,857.33/x
  3. Step 3: Cross multiply
    152,320.29x = 210,135.83 × 91,857.33
  4. Step 4: Simplify right side
    152,320.29x = 19,302,516,609.86
  5. Step 5: Solve for x
    x = 19,302,516,609.86/152,320.29
  6. Step 6: Final answer
    x = 126,723.21

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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.