Home / 97,141.32-145,699.23-30,581.80

Finding the Fourth Proportional to 97,141.32, 145,699.23 and 30,581.80

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Solution

The fourth proportional to 97,141.32, 145,699.23 and 30,581.80 is: 45,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,141.32 : 145,699.23 = 30,581.80 : x
  2. Step 2: Convert to fraction form
    97,141.32/145,699.23 = 30,581.80/x
  3. Step 3: Cross multiply
    97,141.32x = 145,699.23 × 30,581.80
  4. Step 4: Simplify right side
    97,141.32x = 4,455,744,559.11
  5. Step 5: Solve for x
    x = 4,455,744,559.11/97,141.32
  6. Step 6: Final answer
    x = 45,868.68

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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.