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Finding the Fourth Proportional to 163,488.62, 245,232.61 and 45,159.62

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Solution

The fourth proportional to 163,488.62, 245,232.61 and 45,159.62 is: 67,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,488.62 : 245,232.61 = 45,159.62 : x
  2. Step 2: Convert to fraction form
    163,488.62/245,232.61 = 45,159.62/x
  3. Step 3: Cross multiply
    163,488.62x = 245,232.61 × 45,159.62
  4. Step 4: Simplify right side
    163,488.62x = 11,074,610,140.15
  5. Step 5: Solve for x
    x = 11,074,610,140.15/163,488.62
  6. Step 6: Final answer
    x = 67,739.33

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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.