Home / 109,379.28-163,970.48-39,242.18

Finding the Fourth Proportional to 109,379.28, 163,970.48 and 39,242.18

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Solution

The fourth proportional to 109,379.28, 163,970.48 and 39,242.18 is: 58,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,379.28 : 163,970.48 = 39,242.18 : x
  2. Step 2: Convert to fraction form
    109,379.28/163,970.48 = 39,242.18/x
  3. Step 3: Cross multiply
    109,379.28x = 163,970.48 × 39,242.18
  4. Step 4: Simplify right side
    109,379.28x = 6,434,559,090.85
  5. Step 5: Solve for x
    x = 6,434,559,090.85/109,379.28
  6. Step 6: Final answer
    x = 58,827.95

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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.