Home / 147,564.65-221,438.10-58,808.90

Finding the Fourth Proportional to 147,564.65, 221,438.10 and 58,808.90

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Solution

The fourth proportional to 147,564.65, 221,438.10 and 58,808.90 is: 88,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,564.65 : 221,438.10 = 58,808.90 : x
  2. Step 2: Convert to fraction form
    147,564.65/221,438.10 = 58,808.90/x
  3. Step 3: Cross multiply
    147,564.65x = 221,438.10 × 58,808.90
  4. Step 4: Simplify right side
    147,564.65x = 13,022,531,079.09
  5. Step 5: Solve for x
    x = 13,022,531,079.09/147,564.65
  6. Step 6: Final answer
    x = 88,249.67

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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.