Home / 107,918.30-161,877.45-101,794.70

Finding the Fourth Proportional to 107,918.30, 161,877.45 and 101,794.70

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Solution

The fourth proportional to 107,918.30, 161,877.45 and 101,794.70 is: 152,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,918.30 : 161,877.45 = 101,794.70 : x
  2. Step 2: Convert to fraction form
    107,918.30/161,877.45 = 101,794.70/x
  3. Step 3: Cross multiply
    107,918.30x = 161,877.45 × 101,794.70
  4. Step 4: Simplify right side
    107,918.30x = 16,478,266,459.52
  5. Step 5: Solve for x
    x = 16,478,266,459.52/107,918.30
  6. Step 6: Final answer
    x = 152,692.05

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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.