Home / 88,277.40-132,329.70-78,946.20

Finding the Fourth Proportional to 88,277.40, 132,329.70 and 78,946.20

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Solution

The fourth proportional to 88,277.40, 132,329.70 and 78,946.20 is: 118,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,277.40 : 132,329.70 = 78,946.20 : x
  2. Step 2: Convert to fraction form
    88,277.40/132,329.70 = 78,946.20/x
  3. Step 3: Cross multiply
    88,277.40x = 132,329.70 × 78,946.20
  4. Step 4: Simplify right side
    88,277.40x = 10,446,926,962.14
  5. Step 5: Solve for x
    x = 10,446,926,962.14/88,277.40
  6. Step 6: Final answer
    x = 118,342.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.