Home / 165,762.20-248,643.30-112,885.40

Finding the Fourth Proportional to 165,762.20, 248,643.30 and 112,885.40

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Solution

The fourth proportional to 165,762.20, 248,643.30 and 112,885.40 is: 169,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,762.20 : 248,643.30 = 112,885.40 : x
  2. Step 2: Convert to fraction form
    165,762.20/248,643.30 = 112,885.40/x
  3. Step 3: Cross multiply
    165,762.20x = 248,643.30 × 112,885.40
  4. Step 4: Simplify right side
    165,762.20x = 28,068,198,377.82
  5. Step 5: Solve for x
    x = 28,068,198,377.82/165,762.20
  6. Step 6: Final answer
    x = 169,328.10

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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.