Home / 145,086.06-217,749.03-74,061.18

Finding the Fourth Proportional to 145,086.06, 217,749.03 and 74,061.18

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Solution

The fourth proportional to 145,086.06, 217,749.03 and 74,061.18 is: 111,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,086.06 : 217,749.03 = 74,061.18 : x
  2. Step 2: Convert to fraction form
    145,086.06/217,749.03 = 74,061.18/x
  3. Step 3: Cross multiply
    145,086.06x = 217,749.03 × 74,061.18
  4. Step 4: Simplify right side
    145,086.06x = 16,126,749,827.93
  5. Step 5: Solve for x
    x = 16,126,749,827.93/145,086.06
  6. Step 6: Final answer
    x = 111,152.99

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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.