Home / 142,396.18-213,624.95-42,564.49

Finding the Fourth Proportional to 142,396.18, 213,624.95 and 42,564.49

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Solution

The fourth proportional to 142,396.18, 213,624.95 and 42,564.49 is: 63,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,396.18 : 213,624.95 = 42,564.49 : x
  2. Step 2: Convert to fraction form
    142,396.18/213,624.95 = 42,564.49/x
  3. Step 3: Cross multiply
    142,396.18x = 213,624.95 × 42,564.49
  4. Step 4: Simplify right side
    142,396.18x = 9,092,836,301.14
  5. Step 5: Solve for x
    x = 9,092,836,301.14/142,396.18
  6. Step 6: Final answer
    x = 63,855.90

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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.