Home / 113,708.34-156,798.79-79,293.09

Finding the Fourth Proportional to 113,708.34, 156,798.79 and 79,293.09

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Solution

The fourth proportional to 113,708.34, 156,798.79 and 79,293.09 is: 109,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,708.34 : 156,798.79 = 79,293.09 : x
  2. Step 2: Convert to fraction form
    113,708.34/156,798.79 = 79,293.09/x
  3. Step 3: Cross multiply
    113,708.34x = 156,798.79 × 79,293.09
  4. Step 4: Simplify right side
    113,708.34x = 12,433,060,567.36
  5. Step 5: Solve for x
    x = 12,433,060,567.36/113,708.34
  6. Step 6: Final answer
    x = 109,341.68

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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.