Home / 97,131.04-145,707-30,573.16

Finding the Fourth Proportional to 97,131.04, 145,707 and 30,573.16

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Solution

The fourth proportional to 97,131.04, 145,707 and 30,573.16 is: 45,863.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,131.04 : 145,707 = 30,573.16 : x
  2. Step 2: Convert to fraction form
    97,131.04/145,707 = 30,573.16/x
  3. Step 3: Cross multiply
    97,131.04x = 145,707 × 30,573.16
  4. Step 4: Simplify right side
    97,131.04x = 4,454,723,424.12
  5. Step 5: Solve for x
    x = 4,454,723,424.12/97,131.04
  6. Step 6: Final answer
    x = 45,863.03

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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.