Home / 147,526.80-221,322.72-87,609.75

Finding the Fourth Proportional to 147,526.80, 221,322.72 and 87,609.75

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Solution

The fourth proportional to 147,526.80, 221,322.72 and 87,609.75 is: 131,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,526.80 : 221,322.72 = 87,609.75 : x
  2. Step 2: Convert to fraction form
    147,526.80/221,322.72 = 87,609.75/x
  3. Step 3: Cross multiply
    147,526.80x = 221,322.72 × 87,609.75
  4. Step 4: Simplify right side
    147,526.80x = 19,390,028,168.52
  5. Step 5: Solve for x
    x = 19,390,028,168.52/147,526.80
  6. Step 6: Final answer
    x = 131,433.94

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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.