Home / 132,875.91-183,383.06-81,877.77

Finding the Fourth Proportional to 132,875.91, 183,383.06 and 81,877.77

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Solution

The fourth proportional to 132,875.91, 183,383.06 and 81,877.77 is: 113,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,875.91 : 183,383.06 = 81,877.77 : x
  2. Step 2: Convert to fraction form
    132,875.91/183,383.06 = 81,877.77/x
  3. Step 3: Cross multiply
    132,875.91x = 183,383.06 × 81,877.77
  4. Step 4: Simplify right side
    132,875.91x = 15,014,995,599.19
  5. Step 5: Solve for x
    x = 15,014,995,599.19/132,875.91
  6. Step 6: Final answer
    x = 113,000.13

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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.