Home / 163,454.61-245,196.03-45,125.97

Finding the Fourth Proportional to 163,454.61, 245,196.03 and 45,125.97

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Solution

The fourth proportional to 163,454.61, 245,196.03 and 45,125.97 is: 67,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,454.61 : 245,196.03 = 45,125.97 : x
  2. Step 2: Convert to fraction form
    163,454.61/245,196.03 = 45,125.97/x
  3. Step 3: Cross multiply
    163,454.61x = 245,196.03 × 45,125.97
  4. Step 4: Simplify right side
    163,454.61x = 11,064,708,693.90
  5. Step 5: Solve for x
    x = 11,064,708,693.90/163,454.61
  6. Step 6: Final answer
    x = 67,692.85

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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.