Home / 140,002.16-209,985.36-45,222.49

Finding the Fourth Proportional to 140,002.16, 209,985.36 and 45,222.49

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Solution

The fourth proportional to 140,002.16, 209,985.36 and 45,222.49 is: 67,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,002.16 : 209,985.36 = 45,222.49 : x
  2. Step 2: Convert to fraction form
    140,002.16/209,985.36 = 45,222.49/x
  3. Step 3: Cross multiply
    140,002.16x = 209,985.36 × 45,222.49
  4. Step 4: Simplify right side
    140,002.16x = 9,496,060,935.64
  5. Step 5: Solve for x
    x = 9,496,060,935.64/140,002.16
  6. Step 6: Final answer
    x = 67,827.96

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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.