Home / 107,737.02-161,385.21-87,817.50

Finding the Fourth Proportional to 107,737.02, 161,385.21 and 87,817.50

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Solution

The fourth proportional to 107,737.02, 161,385.21 and 87,817.50 is: 131,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,737.02 : 161,385.21 = 87,817.50 : x
  2. Step 2: Convert to fraction form
    107,737.02/161,385.21 = 87,817.50/x
  3. Step 3: Cross multiply
    107,737.02x = 161,385.21 × 87,817.50
  4. Step 4: Simplify right side
    107,737.02x = 14,172,445,679.18
  5. Step 5: Solve for x
    x = 14,172,445,679.18/107,737.02
  6. Step 6: Final answer
    x = 131,546.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.