Home / 109,622.40-151,277.12-59,320.96

Finding the Fourth Proportional to 109,622.40, 151,277.12 and 59,320.96

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Solution

The fourth proportional to 109,622.40, 151,277.12 and 59,320.96 is: 81,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,622.40 : 151,277.12 = 59,320.96 : x
  2. Step 2: Convert to fraction form
    109,622.40/151,277.12 = 59,320.96/x
  3. Step 3: Cross multiply
    109,622.40x = 151,277.12 × 59,320.96
  4. Step 4: Simplify right side
    109,622.40x = 8,973,903,984.44
  5. Step 5: Solve for x
    x = 8,973,903,984.44/109,622.40
  6. Step 6: Final answer
    x = 81,861.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.