Home / 140,263.86-210,423.23-51,518.03

Finding the Fourth Proportional to 140,263.86, 210,423.23 and 51,518.03

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Solution

The fourth proportional to 140,263.86, 210,423.23 and 51,518.03 is: 77,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,263.86 : 210,423.23 = 51,518.03 : x
  2. Step 2: Convert to fraction form
    140,263.86/210,423.23 = 51,518.03/x
  3. Step 3: Cross multiply
    140,263.86x = 210,423.23 × 51,518.03
  4. Step 4: Simplify right side
    140,263.86x = 10,840,590,018.25
  5. Step 5: Solve for x
    x = 10,840,590,018.25/140,263.86
  6. Step 6: Final answer
    x = 77,287.12

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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.