Home / 130,228.20-195,428.70-74,068.20

Finding the Fourth Proportional to 130,228.20, 195,428.70 and 74,068.20

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Solution

The fourth proportional to 130,228.20, 195,428.70 and 74,068.20 is: 111,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,228.20 : 195,428.70 = 74,068.20 : x
  2. Step 2: Convert to fraction form
    130,228.20/195,428.70 = 74,068.20/x
  3. Step 3: Cross multiply
    130,228.20x = 195,428.70 × 74,068.20
  4. Step 4: Simplify right side
    130,228.20x = 14,475,052,037.34
  5. Step 5: Solve for x
    x = 14,475,052,037.34/130,228.20
  6. Step 6: Final answer
    x = 111,151.44

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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.