Home / 130,274.94-195,117.17-102,018.90

Finding the Fourth Proportional to 130,274.94, 195,117.17 and 102,018.90

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Solution

The fourth proportional to 130,274.94, 195,117.17 and 102,018.90 is: 152,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,274.94 : 195,117.17 = 102,018.90 : x
  2. Step 2: Convert to fraction form
    130,274.94/195,117.17 = 102,018.90/x
  3. Step 3: Cross multiply
    130,274.94x = 195,117.17 × 102,018.90
  4. Step 4: Simplify right side
    130,274.94x = 19,905,639,276.11
  5. Step 5: Solve for x
    x = 19,905,639,276.11/130,274.94
  6. Step 6: Final answer
    x = 152,797.14

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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.