Home / 152,392.74-228,642.93-68,145.45

Finding the Fourth Proportional to 152,392.74, 228,642.93 and 68,145.45

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Solution

The fourth proportional to 152,392.74, 228,642.93 and 68,145.45 is: 102,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,392.74 : 228,642.93 = 68,145.45 : x
  2. Step 2: Convert to fraction form
    152,392.74/228,642.93 = 68,145.45/x
  3. Step 3: Cross multiply
    152,392.74x = 228,642.93 × 68,145.45
  4. Step 4: Simplify right side
    152,392.74x = 15,580,975,354.17
  5. Step 5: Solve for x
    x = 15,580,975,354.17/152,392.74
  6. Step 6: Final answer
    x = 102,242.24

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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.