Home / 163,444.62-245,148.57-45,132.78

Finding the Fourth Proportional to 163,444.62, 245,148.57 and 45,132.78

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Solution

The fourth proportional to 163,444.62, 245,148.57 and 45,132.78 is: 67,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,444.62 : 245,148.57 = 45,132.78 : x
  2. Step 2: Convert to fraction form
    163,444.62/245,148.57 = 45,132.78/x
  3. Step 3: Cross multiply
    163,444.62x = 245,148.57 × 45,132.78
  4. Step 4: Simplify right side
    163,444.62x = 11,064,236,477.12
  5. Step 5: Solve for x
    x = 11,064,236,477.12/163,444.62
  6. Step 6: Final answer
    x = 67,694.10

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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.