Home / 132,918-183,437.73-75,575.32

Finding the Fourth Proportional to 132,918, 183,437.73 and 75,575.32

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Solution

The fourth proportional to 132,918, 183,437.73 and 75,575.32 is: 104,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,918 : 183,437.73 = 75,575.32 : x
  2. Step 2: Convert to fraction form
    132,918/183,437.73 = 75,575.32/x
  3. Step 3: Cross multiply
    132,918x = 183,437.73 × 75,575.32
  4. Step 4: Simplify right side
    132,918x = 13,863,365,144.82
  5. Step 5: Solve for x
    x = 13,863,365,144.82/132,918
  6. Step 6: Final answer
    x = 104,300.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.