Home / 130,374.50-195,298.79-109,255.25

Finding the Fourth Proportional to 130,374.50, 195,298.79 and 109,255.25

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Solution

The fourth proportional to 130,374.50, 195,298.79 and 109,255.25 is: 163,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,374.50 : 195,298.79 = 109,255.25 : x
  2. Step 2: Convert to fraction form
    130,374.50/195,298.79 = 109,255.25/x
  3. Step 3: Cross multiply
    130,374.50x = 195,298.79 × 109,255.25
  4. Step 4: Simplify right side
    130,374.50x = 21,337,416,603.38
  5. Step 5: Solve for x
    x = 21,337,416,603.38/130,374.50
  6. Step 6: Final answer
    x = 163,662.51

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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.