Home / 97,141.07-145,698.85-30,581.55

Finding the Fourth Proportional to 97,141.07, 145,698.85 and 30,581.55

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Solution

The fourth proportional to 97,141.07, 145,698.85 and 30,581.55 is: 45,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,141.07 : 145,698.85 = 30,581.55 : x
  2. Step 2: Convert to fraction form
    97,141.07/145,698.85 = 30,581.55/x
  3. Step 3: Cross multiply
    97,141.07x = 145,698.85 × 30,581.55
  4. Step 4: Simplify right side
    97,141.07x = 4,455,696,704.44
  5. Step 5: Solve for x
    x = 4,455,696,704.44/97,141.07
  6. Step 6: Final answer
    x = 45,868.31

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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.