Home / 88,511.30-133,026.15-86,956.10

Finding the Fourth Proportional to 88,511.30, 133,026.15 and 86,956.10

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Solution

The fourth proportional to 88,511.30, 133,026.15 and 86,956.10 is: 130,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,511.30 : 133,026.15 = 86,956.10 : x
  2. Step 2: Convert to fraction form
    88,511.30/133,026.15 = 86,956.10/x
  3. Step 3: Cross multiply
    88,511.30x = 133,026.15 × 86,956.10
  4. Step 4: Simplify right side
    88,511.30x = 11,567,435,202.02
  5. Step 5: Solve for x
    x = 11,567,435,202.02/88,511.30
  6. Step 6: Final answer
    x = 130,688.80

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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.