Home / 147,176.82-220,772.61-42,011.28

Finding the Fourth Proportional to 147,176.82, 220,772.61 and 42,011.28

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Solution

The fourth proportional to 147,176.82, 220,772.61 and 42,011.28 is: 63,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,176.82 : 220,772.61 = 42,011.28 : x
  2. Step 2: Convert to fraction form
    147,176.82/220,772.61 = 42,011.28/x
  3. Step 3: Cross multiply
    147,176.82x = 220,772.61 × 42,011.28
  4. Step 4: Simplify right side
    147,176.82x = 9,274,939,935.04
  5. Step 5: Solve for x
    x = 9,274,939,935.04/147,176.82
  6. Step 6: Final answer
    x = 63,019.03

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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.