Home / 161,869.70-242,804.55-146,123.30

Finding the Fourth Proportional to 161,869.70, 242,804.55 and 146,123.30

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Solution

The fourth proportional to 161,869.70, 242,804.55 and 146,123.30 is: 219,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,869.70 : 242,804.55 = 146,123.30 : x
  2. Step 2: Convert to fraction form
    161,869.70/242,804.55 = 146,123.30/x
  3. Step 3: Cross multiply
    161,869.70x = 242,804.55 × 146,123.30
  4. Step 4: Simplify right side
    161,869.70x = 35,479,402,101.02
  5. Step 5: Solve for x
    x = 35,479,402,101.02/161,869.70
  6. Step 6: Final answer
    x = 219,184.95

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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.