Home / 113,529.12-156,670.08-63,228

Finding the Fourth Proportional to 113,529.12, 156,670.08 and 63,228

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Solution

The fourth proportional to 113,529.12, 156,670.08 and 63,228 is: 87,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,529.12 : 156,670.08 = 63,228 : x
  2. Step 2: Convert to fraction form
    113,529.12/156,670.08 = 63,228/x
  3. Step 3: Cross multiply
    113,529.12x = 156,670.08 × 63,228
  4. Step 4: Simplify right side
    113,529.12x = 9,905,935,818.24
  5. Step 5: Solve for x
    x = 9,905,935,818.24/113,529.12
  6. Step 6: Final answer
    x = 87,254.58

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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.