Home / 139,130.11-208,654.13-59,167.93

Finding the Fourth Proportional to 139,130.11, 208,654.13 and 59,167.93

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Solution

The fourth proportional to 139,130.11, 208,654.13 and 59,167.93 is: 88,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,130.11 : 208,654.13 = 59,167.93 : x
  2. Step 2: Convert to fraction form
    139,130.11/208,654.13 = 59,167.93/x
  3. Step 3: Cross multiply
    139,130.11x = 208,654.13 × 59,167.93
  4. Step 4: Simplify right side
    139,130.11x = 12,345,631,618.94
  5. Step 5: Solve for x
    x = 12,345,631,618.94/139,130.11
  6. Step 6: Final answer
    x = 88,734.43

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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.