Home / 114,894.24-172,341.12-31,788

Finding the Fourth Proportional to 114,894.24, 172,341.12 and 31,788

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Solution

The fourth proportional to 114,894.24, 172,341.12 and 31,788 is: 47,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,894.24 : 172,341.12 = 31,788 : x
  2. Step 2: Convert to fraction form
    114,894.24/172,341.12 = 31,788/x
  3. Step 3: Cross multiply
    114,894.24x = 172,341.12 × 31,788
  4. Step 4: Simplify right side
    114,894.24x = 5,478,379,522.56
  5. Step 5: Solve for x
    x = 5,478,379,522.56/114,894.24
  6. Step 6: Final answer
    x = 47,681.93

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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.