Home / 140,264.11-210,423.60-51,518.28

Finding the Fourth Proportional to 140,264.11, 210,423.60 and 51,518.28

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Solution

The fourth proportional to 140,264.11, 210,423.60 and 51,518.28 is: 77,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,264.11 : 210,423.60 = 51,518.28 : x
  2. Step 2: Convert to fraction form
    140,264.11/210,423.60 = 51,518.28/x
  3. Step 3: Cross multiply
    140,264.11x = 210,423.60 × 51,518.28
  4. Step 4: Simplify right side
    140,264.11x = 10,840,661,943.41
  5. Step 5: Solve for x
    x = 10,840,661,943.41/140,264.11
  6. Step 6: Final answer
    x = 77,287.50

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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.