Home / 88,810.18-132,567.40-77,600

Finding the Fourth Proportional to 88,810.18, 132,567.40 and 77,600

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Solution

The fourth proportional to 88,810.18, 132,567.40 and 77,600 is: 115,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,810.18 : 132,567.40 = 77,600 : x
  2. Step 2: Convert to fraction form
    88,810.18/132,567.40 = 77,600/x
  3. Step 3: Cross multiply
    88,810.18x = 132,567.40 × 77,600
  4. Step 4: Simplify right side
    88,810.18x = 10,287,230,240
  5. Step 5: Solve for x
    x = 10,287,230,240/88,810.18
  6. Step 6: Final answer
    x = 115,833.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.