Home / 113,664.48-156,851.28-63,353.76

Finding the Fourth Proportional to 113,664.48, 156,851.28 and 63,353.76

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Solution

The fourth proportional to 113,664.48, 156,851.28 and 63,353.76 is: 87,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,664.48 : 156,851.28 = 63,353.76 : x
  2. Step 2: Convert to fraction form
    113,664.48/156,851.28 = 63,353.76/x
  3. Step 3: Cross multiply
    113,664.48x = 156,851.28 × 63,353.76
  4. Step 4: Simplify right side
    113,664.48x = 9,937,118,348.81
  5. Step 5: Solve for x
    x = 9,937,118,348.81/113,664.48
  6. Step 6: Final answer
    x = 87,425.01

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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.