Home / 161,919.20-242,926.40-83,088.48

Finding the Fourth Proportional to 161,919.20, 242,926.40 and 83,088.48

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Solution

The fourth proportional to 161,919.20, 242,926.40 and 83,088.48 is: 124,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,919.20 : 242,926.40 = 83,088.48 : x
  2. Step 2: Convert to fraction form
    161,919.20/242,926.40 = 83,088.48/x
  3. Step 3: Cross multiply
    161,919.20x = 242,926.40 × 83,088.48
  4. Step 4: Simplify right side
    161,919.20x = 20,184,385,327.87
  5. Step 5: Solve for x
    x = 20,184,385,327.87/161,919.20
  6. Step 6: Final answer
    x = 124,657.15

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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.