Home / 138,864.50-208,332.27-40,368.50

Finding the Fourth Proportional to 138,864.50, 208,332.27 and 40,368.50

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Solution

The fourth proportional to 138,864.50, 208,332.27 and 40,368.50 is: 60,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,864.50 : 208,332.27 = 40,368.50 : x
  2. Step 2: Convert to fraction form
    138,864.50/208,332.27 = 40,368.50/x
  3. Step 3: Cross multiply
    138,864.50x = 208,332.27 × 40,368.50
  4. Step 4: Simplify right side
    138,864.50x = 8,410,061,241.50
  5. Step 5: Solve for x
    x = 8,410,061,241.50/138,864.50
  6. Step 6: Final answer
    x = 60,563.08

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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.