Home / 201,780.23-302,565.25-75,316.49

Finding the Fourth Proportional to 201,780.23, 302,565.25 and 75,316.49

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Solution

The fourth proportional to 201,780.23, 302,565.25 and 75,316.49 is: 112,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,780.23 : 302,565.25 = 75,316.49 : x
  2. Step 2: Convert to fraction form
    201,780.23/302,565.25 = 75,316.49/x
  3. Step 3: Cross multiply
    201,780.23x = 302,565.25 × 75,316.49
  4. Step 4: Simplify right side
    201,780.23x = 22,788,150,924.86
  5. Step 5: Solve for x
    x = 22,788,150,924.86/201,780.23
  6. Step 6: Final answer
    x = 112,935.50

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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.