Home / 97,341.86-146,013.88-30,780.38

Finding the Fourth Proportional to 97,341.86, 146,013.88 and 30,780.38

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Solution

The fourth proportional to 97,341.86, 146,013.88 and 30,780.38 is: 46,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,341.86 : 146,013.88 = 30,780.38 : x
  2. Step 2: Convert to fraction form
    97,341.86/146,013.88 = 30,780.38/x
  3. Step 3: Cross multiply
    97,341.86x = 146,013.88 × 30,780.38
  4. Step 4: Simplify right side
    97,341.86x = 4,494,362,711.67
  5. Step 5: Solve for x
    x = 4,494,362,711.67/97,341.86
  6. Step 6: Final answer
    x = 46,170.91

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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.