Home / 109,070.55-163,615.16-30,184.65

Finding the Fourth Proportional to 109,070.55, 163,615.16 and 30,184.65

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Solution

The fourth proportional to 109,070.55, 163,615.16 and 30,184.65 is: 45,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,070.55 : 163,615.16 = 30,184.65 : x
  2. Step 2: Convert to fraction form
    109,070.55/163,615.16 = 30,184.65/x
  3. Step 3: Cross multiply
    109,070.55x = 163,615.16 × 30,184.65
  4. Step 4: Simplify right side
    109,070.55x = 4,938,666,188.37
  5. Step 5: Solve for x
    x = 4,938,666,188.37/109,070.55
  6. Step 6: Final answer
    x = 45,279.56

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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.