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Finding the Fourth Proportional to 158,790.41, 219,122.71 and 94,262.41

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Solution

The fourth proportional to 158,790.41, 219,122.71 and 94,262.41 is: 130,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,790.41 : 219,122.71 = 94,262.41 : x
  2. Step 2: Convert to fraction form
    158,790.41/219,122.71 = 94,262.41/x
  3. Step 3: Cross multiply
    158,790.41x = 219,122.71 × 94,262.41
  4. Step 4: Simplify right side
    158,790.41x = 20,655,034,730.33
  5. Step 5: Solve for x
    x = 20,655,034,730.33/158,790.41
  6. Step 6: Final answer
    x = 130,077.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.