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Finding the Fourth Proportional to 163,500.68, 245,248.59 and 45,169.40

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Solution

The fourth proportional to 163,500.68, 245,248.59 and 45,169.40 is: 67,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,500.68 : 245,248.59 = 45,169.40 : x
  2. Step 2: Convert to fraction form
    163,500.68/245,248.59 = 45,169.40/x
  3. Step 3: Cross multiply
    163,500.68x = 245,248.59 × 45,169.40
  4. Step 4: Simplify right side
    163,500.68x = 11,077,731,661.15
  5. Step 5: Solve for x
    x = 11,077,731,661.15/163,500.68
  6. Step 6: Final answer
    x = 67,753.43

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1.5x scale

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.