Home / 147,588.10-221,358.39-42,383.14

Finding the Fourth Proportional to 147,588.10, 221,358.39 and 42,383.14

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Solution

The fourth proportional to 147,588.10, 221,358.39 and 42,383.14 is: 63,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,588.10 : 221,358.39 = 42,383.14 : x
  2. Step 2: Convert to fraction form
    147,588.10/221,358.39 = 42,383.14/x
  3. Step 3: Cross multiply
    147,588.10x = 221,358.39 × 42,383.14
  4. Step 4: Simplify right side
    147,588.10x = 9,381,863,633.54
  5. Step 5: Solve for x
    x = 9,381,863,633.54/147,588.10
  6. Step 6: Final answer
    x = 63,567.89

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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.