Home / 163,475.14-245,215.80-45,149.63

Finding the Fourth Proportional to 163,475.14, 245,215.80 and 45,149.63

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Solution

The fourth proportional to 163,475.14, 245,215.80 and 45,149.63 is: 67,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,475.14 : 245,215.80 = 45,149.63 : x
  2. Step 2: Convert to fraction form
    163,475.14/245,215.80 = 45,149.63/x
  3. Step 3: Cross multiply
    163,475.14x = 245,215.80 × 45,149.63
  4. Step 4: Simplify right side
    163,475.14x = 11,071,402,414.41
  5. Step 5: Solve for x
    x = 11,071,402,414.41/163,475.14
  6. Step 6: Final answer
    x = 67,725.30

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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.