Home / 139,421.14-209,014.17-60,475.93

Finding the Fourth Proportional to 139,421.14, 209,014.17 and 60,475.93

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Solution

The fourth proportional to 139,421.14, 209,014.17 and 60,475.93 is: 90,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,421.14 : 209,014.17 = 60,475.93 : x
  2. Step 2: Convert to fraction form
    139,421.14/209,014.17 = 60,475.93/x
  3. Step 3: Cross multiply
    139,421.14x = 209,014.17 × 60,475.93
  4. Step 4: Simplify right side
    139,421.14x = 12,640,326,313.93
  5. Step 5: Solve for x
    x = 12,640,326,313.93/139,421.14
  6. Step 6: Final answer
    x = 90,662.91

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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.