Home / 162,148.32-243,227.95-43,820.69

Finding the Fourth Proportional to 162,148.32, 243,227.95 and 43,820.69

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Solution

The fourth proportional to 162,148.32, 243,227.95 and 43,820.69 is: 65,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,148.32 : 243,227.95 = 43,820.69 : x
  2. Step 2: Convert to fraction form
    162,148.32/243,227.95 = 43,820.69/x
  3. Step 3: Cross multiply
    162,148.32x = 243,227.95 × 43,820.69
  4. Step 4: Simplify right side
    162,148.32x = 10,658,415,270.59
  5. Step 5: Solve for x
    x = 10,658,415,270.59/162,148.32
  6. Step 6: Final answer
    x = 65,732.51

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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.