Home / 109,244.35-163,885.74-45,202.30

Finding the Fourth Proportional to 109,244.35, 163,885.74 and 45,202.30

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Solution

The fourth proportional to 109,244.35, 163,885.74 and 45,202.30 is: 67,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,244.35 : 163,885.74 = 45,202.30 : x
  2. Step 2: Convert to fraction form
    109,244.35/163,885.74 = 45,202.30/x
  3. Step 3: Cross multiply
    109,244.35x = 163,885.74 × 45,202.30
  4. Step 4: Simplify right side
    109,244.35x = 7,408,012,159.19
  5. Step 5: Solve for x
    x = 7,408,012,159.19/109,244.35
  6. Step 6: Final answer
    x = 67,811.40

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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.