Home / 148,762.13-223,142.73-53,992.18

Finding the Fourth Proportional to 148,762.13, 223,142.73 and 53,992.18

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Solution

The fourth proportional to 148,762.13, 223,142.73 and 53,992.18 is: 80,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,762.13 : 223,142.73 = 53,992.18 : x
  2. Step 2: Convert to fraction form
    148,762.13/223,142.73 = 53,992.18/x
  3. Step 3: Cross multiply
    148,762.13x = 223,142.73 × 53,992.18
  4. Step 4: Simplify right side
    148,762.13x = 12,047,962,824.02
  5. Step 5: Solve for x
    x = 12,047,962,824.02/148,762.13
  6. Step 6: Final answer
    x = 80,988.11

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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.