Home / 152,612.42-228,951.43-51,420.53

Finding the Fourth Proportional to 152,612.42, 228,951.43 and 51,420.53

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Solution

The fourth proportional to 152,612.42, 228,951.43 and 51,420.53 is: 77,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,612.42 : 228,951.43 = 51,420.53 : x
  2. Step 2: Convert to fraction form
    152,612.42/228,951.43 = 51,420.53/x
  3. Step 3: Cross multiply
    152,612.42x = 228,951.43 × 51,420.53
  4. Step 4: Simplify right side
    152,612.42x = 11,772,802,730.10
  5. Step 5: Solve for x
    x = 11,772,802,730.10/152,612.42
  6. Step 6: Final answer
    x = 77,141.84

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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.