Home / 163,575.40-245,344.08-45,255.95

Finding the Fourth Proportional to 163,575.40, 245,344.08 and 45,255.95

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Solution

The fourth proportional to 163,575.40, 245,344.08 and 45,255.95 is: 67,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,575.40 : 245,344.08 = 45,255.95 : x
  2. Step 2: Convert to fraction form
    163,575.40/245,344.08 = 45,255.95/x
  3. Step 3: Cross multiply
    163,575.40x = 245,344.08 × 45,255.95
  4. Step 4: Simplify right side
    163,575.40x = 11,103,279,417.28
  5. Step 5: Solve for x
    x = 11,103,279,417.28/163,575.40
  6. Step 6: Final answer
    x = 67,878.66

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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.