Home / 105,502.38-158,220.51-30,627.70

Finding the Fourth Proportional to 105,502.38, 158,220.51 and 30,627.70

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Solution

The fourth proportional to 105,502.38, 158,220.51 and 30,627.70 is: 45,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,502.38 : 158,220.51 = 30,627.70 : x
  2. Step 2: Convert to fraction form
    105,502.38/158,220.51 = 30,627.70/x
  3. Step 3: Cross multiply
    105,502.38x = 158,220.51 × 30,627.70
  4. Step 4: Simplify right side
    105,502.38x = 4,845,929,803.72
  5. Step 5: Solve for x
    x = 4,845,929,803.72/105,502.38
  6. Step 6: Final answer
    x = 45,931.95

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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.