Home / 147,178.60-220,800.81-53,684.35

Finding the Fourth Proportional to 147,178.60, 220,800.81 and 53,684.35

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Solution

The fourth proportional to 147,178.60, 220,800.81 and 53,684.35 is: 80,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,178.60 : 220,800.81 = 53,684.35 : x
  2. Step 2: Convert to fraction form
    147,178.60/220,800.81 = 53,684.35/x
  3. Step 3: Cross multiply
    147,178.60x = 220,800.81 × 53,684.35
  4. Step 4: Simplify right side
    147,178.60x = 11,853,547,613.64
  5. Step 5: Solve for x
    x = 11,853,547,613.64/147,178.60
  6. Step 6: Final answer
    x = 80,538.53

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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.