Home / 139,416.95-209,126.14-34,235.96

Finding the Fourth Proportional to 139,416.95, 209,126.14 and 34,235.96

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Solution

The fourth proportional to 139,416.95, 209,126.14 and 34,235.96 is: 51,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,416.95 : 209,126.14 = 34,235.96 : x
  2. Step 2: Convert to fraction form
    139,416.95/209,126.14 = 34,235.96/x
  3. Step 3: Cross multiply
    139,416.95x = 209,126.14 × 34,235.96
  4. Step 4: Simplify right side
    139,416.95x = 7,159,633,032.77
  5. Step 5: Solve for x
    x = 7,159,633,032.77/139,416.95
  6. Step 6: Final answer
    x = 51,354.11

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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.