Home / 163,536.20-245,304.30-118,921.40

Finding the Fourth Proportional to 163,536.20, 245,304.30 and 118,921.40

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Solution

The fourth proportional to 163,536.20, 245,304.30 and 118,921.40 is: 178,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,536.20 : 245,304.30 = 118,921.40 : x
  2. Step 2: Convert to fraction form
    163,536.20/245,304.30 = 118,921.40/x
  3. Step 3: Cross multiply
    163,536.20x = 245,304.30 × 118,921.40
  4. Step 4: Simplify right side
    163,536.20x = 29,171,930,782.02
  5. Step 5: Solve for x
    x = 29,171,930,782.02/163,536.20
  6. Step 6: Final answer
    x = 178,382.10

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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.