Home / 132,135.23-182,347.10-71,705.87

Finding the Fourth Proportional to 132,135.23, 182,347.10 and 71,705.87

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Solution

The fourth proportional to 132,135.23, 182,347.10 and 71,705.87 is: 98,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,135.23 : 182,347.10 = 71,705.87 : x
  2. Step 2: Convert to fraction form
    132,135.23/182,347.10 = 71,705.87/x
  3. Step 3: Cross multiply
    132,135.23x = 182,347.10 × 71,705.87
  4. Step 4: Simplify right side
    132,135.23x = 13,075,356,715.01
  5. Step 5: Solve for x
    x = 13,075,356,715.01/132,135.23
  6. Step 6: Final answer
    x = 98,954.36

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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.