Home / 113,539.08-156,681.90-63,237

Finding the Fourth Proportional to 113,539.08, 156,681.90 and 63,237

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Solution

The fourth proportional to 113,539.08, 156,681.90 and 63,237 is: 87,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,539.08 : 156,681.90 = 63,237 : x
  2. Step 2: Convert to fraction form
    113,539.08/156,681.90 = 63,237/x
  3. Step 3: Cross multiply
    113,539.08x = 156,681.90 × 63,237
  4. Step 4: Simplify right side
    113,539.08x = 9,908,093,310.30
  5. Step 5: Solve for x
    x = 9,908,093,310.30/113,539.08
  6. Step 6: Final answer
    x = 87,265.93

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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.