Home / 141,840.24-212,824.95-53,100.66

Finding the Fourth Proportional to 141,840.24, 212,824.95 and 53,100.66

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Solution

The fourth proportional to 141,840.24, 212,824.95 and 53,100.66 is: 79,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,840.24 : 212,824.95 = 53,100.66 : x
  2. Step 2: Convert to fraction form
    141,840.24/212,824.95 = 53,100.66/x
  3. Step 3: Cross multiply
    141,840.24x = 212,824.95 × 53,100.66
  4. Step 4: Simplify right side
    141,840.24x = 11,301,145,309.47
  5. Step 5: Solve for x
    x = 11,301,145,309.47/141,840.24
  6. Step 6: Final answer
    x = 79,675.17

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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.