Home / 88,718.40-133,077.60-82,303.20

Finding the Fourth Proportional to 88,718.40, 133,077.60 and 82,303.20

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Solution

The fourth proportional to 88,718.40, 133,077.60 and 82,303.20 is: 123,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,718.40 : 133,077.60 = 82,303.20 : x
  2. Step 2: Convert to fraction form
    88,718.40/133,077.60 = 82,303.20/x
  3. Step 3: Cross multiply
    88,718.40x = 133,077.60 × 82,303.20
  4. Step 4: Simplify right side
    88,718.40x = 10,952,712,328.32
  5. Step 5: Solve for x
    x = 10,952,712,328.32/88,718.40
  6. Step 6: Final answer
    x = 123,454.80

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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.