Home / 107,883.36-161,807.70-45,545.76

Finding the Fourth Proportional to 107,883.36, 161,807.70 and 45,545.76

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Solution

The fourth proportional to 107,883.36, 161,807.70 and 45,545.76 is: 68,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,883.36 : 161,807.70 = 45,545.76 : x
  2. Step 2: Convert to fraction form
    107,883.36/161,807.70 = 45,545.76/x
  3. Step 3: Cross multiply
    107,883.36x = 161,807.70 × 45,545.76
  4. Step 4: Simplify right side
    107,883.36x = 7,369,654,670.35
  5. Step 5: Solve for x
    x = 7,369,654,670.35/107,883.36
  6. Step 6: Final answer
    x = 68,311.32

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1.5x scale

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.