Home / 132,947.17-183,534.80-102,664.51

Finding the Fourth Proportional to 132,947.17, 183,534.80 and 102,664.51

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Solution

The fourth proportional to 132,947.17, 183,534.80 and 102,664.51 is: 141,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,947.17 : 183,534.80 = 102,664.51 : x
  2. Step 2: Convert to fraction form
    132,947.17/183,534.80 = 102,664.51/x
  3. Step 3: Cross multiply
    132,947.17x = 183,534.80 × 102,664.51
  4. Step 4: Simplify right side
    132,947.17x = 18,842,510,309.95
  5. Step 5: Solve for x
    x = 18,842,510,309.95/132,947.17
  6. Step 6: Final answer
    x = 141,729.31

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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.