Home / 139,437.18-209,154.08-50,689.94

Finding the Fourth Proportional to 139,437.18, 209,154.08 and 50,689.94

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Solution

The fourth proportional to 139,437.18, 209,154.08 and 50,689.94 is: 76,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,437.18 : 209,154.08 = 50,689.94 : x
  2. Step 2: Convert to fraction form
    139,437.18/209,154.08 = 50,689.94/x
  3. Step 3: Cross multiply
    139,437.18x = 209,154.08 × 50,689.94
  4. Step 4: Simplify right side
    139,437.18x = 10,602,006,846.91
  5. Step 5: Solve for x
    x = 10,602,006,846.91/139,437.18
  6. Step 6: Final answer
    x = 76,034.29

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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.