Home / 133,231.86-183,854.16-72,799.65

Finding the Fourth Proportional to 133,231.86, 183,854.16 and 72,799.65

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Solution

The fourth proportional to 133,231.86, 183,854.16 and 72,799.65 is: 100,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,231.86 : 183,854.16 = 72,799.65 : x
  2. Step 2: Convert to fraction form
    133,231.86/183,854.16 = 72,799.65/x
  3. Step 3: Cross multiply
    133,231.86x = 183,854.16 × 72,799.65
  4. Step 4: Simplify right side
    133,231.86x = 13,384,518,499.04
  5. Step 5: Solve for x
    x = 13,384,518,499.04/133,231.86
  6. Step 6: Final answer
    x = 100,460.34

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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.