Home / 163,626.90-245,439.45-45,297.42

Finding the Fourth Proportional to 163,626.90, 245,439.45 and 45,297.42

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Solution

The fourth proportional to 163,626.90, 245,439.45 and 45,297.42 is: 67,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,626.90 : 245,439.45 = 45,297.42 : x
  2. Step 2: Convert to fraction form
    163,626.90/245,439.45 = 45,297.42/x
  3. Step 3: Cross multiply
    163,626.90x = 245,439.45 × 45,297.42
  4. Step 4: Simplify right side
    163,626.90x = 11,117,773,851.22
  5. Step 5: Solve for x
    x = 11,117,773,851.22/163,626.90
  6. Step 6: Final answer
    x = 67,945.88

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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.