Home / 109,014.76-163,518.90-30,133.72

Finding the Fourth Proportional to 109,014.76, 163,518.90 and 30,133.72

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Solution

The fourth proportional to 109,014.76, 163,518.90 and 30,133.72 is: 45,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,014.76 : 163,518.90 = 30,133.72 : x
  2. Step 2: Convert to fraction form
    109,014.76/163,518.90 = 30,133.72/x
  3. Step 3: Cross multiply
    109,014.76x = 163,518.90 × 30,133.72
  4. Step 4: Simplify right side
    109,014.76x = 4,927,432,747.31
  5. Step 5: Solve for x
    x = 4,927,432,747.31/109,014.76
  6. Step 6: Final answer
    x = 45,199.68

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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.