Home / 113,324.34-156,392.89-65,568.46

Finding the Fourth Proportional to 113,324.34, 156,392.89 and 65,568.46

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Solution

The fourth proportional to 113,324.34, 156,392.89 and 65,568.46 is: 90,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,324.34 : 156,392.89 = 65,568.46 : x
  2. Step 2: Convert to fraction form
    113,324.34/156,392.89 = 65,568.46/x
  3. Step 3: Cross multiply
    113,324.34x = 156,392.89 × 65,568.46
  4. Step 4: Simplify right side
    113,324.34x = 10,254,440,397.35
  5. Step 5: Solve for x
    x = 10,254,440,397.35/113,324.34
  6. Step 6: Final answer
    x = 90,487.54

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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.