Home / 145,204.14-217,849.95-45,360.30

Finding the Fourth Proportional to 145,204.14, 217,849.95 and 45,360.30

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Solution

The fourth proportional to 145,204.14, 217,849.95 and 45,360.30 is: 68,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,204.14 : 217,849.95 = 45,360.30 : x
  2. Step 2: Convert to fraction form
    145,204.14/217,849.95 = 45,360.30/x
  3. Step 3: Cross multiply
    145,204.14x = 217,849.95 × 45,360.30
  4. Step 4: Simplify right side
    145,204.14x = 9,881,739,086.99
  5. Step 5: Solve for x
    x = 9,881,739,086.99/145,204.14
  6. Step 6: Final answer
    x = 68,054.11

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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.