Home / 102,577.20-153,574.20-92,079.60

Finding the Fourth Proportional to 102,577.20, 153,574.20 and 92,079.60

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Solution

The fourth proportional to 102,577.20, 153,574.20 and 92,079.60 is: 137,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,577.20 : 153,574.20 = 92,079.60 : x
  2. Step 2: Convert to fraction form
    102,577.20/153,574.20 = 92,079.60/x
  3. Step 3: Cross multiply
    102,577.20x = 153,574.20 × 92,079.60
  4. Step 4: Simplify right side
    102,577.20x = 14,141,050,906.32
  5. Step 5: Solve for x
    x = 14,141,050,906.32/102,577.20
  6. Step 6: Final answer
    x = 137,857.64

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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.