Home / 113,381.28-156,466.88-62,392.60

Finding the Fourth Proportional to 113,381.28, 156,466.88 and 62,392.60

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Solution

The fourth proportional to 113,381.28, 156,466.88 and 62,392.60 is: 86,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,381.28 : 156,466.88 = 62,392.60 : x
  2. Step 2: Convert to fraction form
    113,381.28/156,466.88 = 62,392.60/x
  3. Step 3: Cross multiply
    113,381.28x = 156,466.88 × 62,392.60
  4. Step 4: Simplify right side
    113,381.28x = 9,762,375,457.09
  5. Step 5: Solve for x
    x = 9,762,375,457.09/113,381.28
  6. Step 6: Final answer
    x = 86,102.18

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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.