Home / 145,479.78-218,212.65-50,706.14

Finding the Fourth Proportional to 145,479.78, 218,212.65 and 50,706.14

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Solution

The fourth proportional to 145,479.78, 218,212.65 and 50,706.14 is: 76,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,479.78 : 218,212.65 = 50,706.14 : x
  2. Step 2: Convert to fraction form
    145,479.78/218,212.65 = 50,706.14/x
  3. Step 3: Cross multiply
    145,479.78x = 218,212.65 × 50,706.14
  4. Step 4: Simplify right side
    145,479.78x = 11,064,720,089.61
  5. Step 5: Solve for x
    x = 11,064,720,089.61/145,479.78
  6. Step 6: Final answer
    x = 76,056.76

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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.