Home / 94,140.04-141,231.06-31,808.92

Finding the Fourth Proportional to 94,140.04, 141,231.06 and 31,808.92

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Solution

The fourth proportional to 94,140.04, 141,231.06 and 31,808.92 is: 47,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,140.04 : 141,231.06 = 31,808.92 : x
  2. Step 2: Convert to fraction form
    94,140.04/141,231.06 = 31,808.92/x
  3. Step 3: Cross multiply
    94,140.04x = 141,231.06 × 31,808.92
  4. Step 4: Simplify right side
    94,140.04x = 4,492,407,489.06
  5. Step 5: Solve for x
    x = 4,492,407,489.06/94,140.04
  6. Step 6: Final answer
    x = 47,720.48

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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.