Home / 161,877.42-242,816.40-43,545.60

Finding the Fourth Proportional to 161,877.42, 242,816.40 and 43,545.60

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Solution

The fourth proportional to 161,877.42, 242,816.40 and 43,545.60 is: 65,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,877.42 : 242,816.40 = 43,545.60 : x
  2. Step 2: Convert to fraction form
    161,877.42/242,816.40 = 43,545.60/x
  3. Step 3: Cross multiply
    161,877.42x = 242,816.40 × 43,545.60
  4. Step 4: Simplify right side
    161,877.42x = 10,573,585,827.84
  5. Step 5: Solve for x
    x = 10,573,585,827.84/161,877.42
  6. Step 6: Final answer
    x = 65,318.47

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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.