Home / 109,070.26-163,538.40-42,432.73

Finding the Fourth Proportional to 109,070.26, 163,538.40 and 42,432.73

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Solution

The fourth proportional to 109,070.26, 163,538.40 and 42,432.73 is: 63,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,070.26 : 163,538.40 = 42,432.73 : x
  2. Step 2: Convert to fraction form
    109,070.26/163,538.40 = 42,432.73/x
  3. Step 3: Cross multiply
    109,070.26x = 163,538.40 × 42,432.73
  4. Step 4: Simplify right side
    109,070.26x = 6,939,380,771.83
  5. Step 5: Solve for x
    x = 6,939,380,771.83/109,070.26
  6. Step 6: Final answer
    x = 63,623.03

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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.