Home / 162,100.81-243,151.22-83,164.69

Finding the Fourth Proportional to 162,100.81, 243,151.22 and 83,164.69

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Solution

The fourth proportional to 162,100.81, 243,151.22 and 83,164.69 is: 124,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,100.81 : 243,151.22 = 83,164.69 : x
  2. Step 2: Convert to fraction form
    162,100.81/243,151.22 = 83,164.69/x
  3. Step 3: Cross multiply
    162,100.81x = 243,151.22 × 83,164.69
  4. Step 4: Simplify right side
    162,100.81x = 20,221,594,810.72
  5. Step 5: Solve for x
    x = 20,221,594,810.72/162,100.81
  6. Step 6: Final answer
    x = 124,747.03

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1.5x scale

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.