Home / 142,325.04-213,510.60-43,806

Finding the Fourth Proportional to 142,325.04, 213,510.60 and 43,806

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Solution

The fourth proportional to 142,325.04, 213,510.60 and 43,806 is: 65,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,325.04 : 213,510.60 = 43,806 : x
  2. Step 2: Convert to fraction form
    142,325.04/213,510.60 = 43,806/x
  3. Step 3: Cross multiply
    142,325.04x = 213,510.60 × 43,806
  4. Step 4: Simplify right side
    142,325.04x = 9,353,045,343.60
  5. Step 5: Solve for x
    x = 9,353,045,343.60/142,325.04
  6. Step 6: Final answer
    x = 65,716.09

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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.