Home / 149,820.60-224,730.90-79,836.60

Finding the Fourth Proportional to 149,820.60, 224,730.90 and 79,836.60

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Solution

The fourth proportional to 149,820.60, 224,730.90 and 79,836.60 is: 119,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,820.60 : 224,730.90 = 79,836.60 : x
  2. Step 2: Convert to fraction form
    149,820.60/224,730.90 = 79,836.60/x
  3. Step 3: Cross multiply
    149,820.60x = 224,730.90 × 79,836.60
  4. Step 4: Simplify right side
    149,820.60x = 17,941,750,970.94
  5. Step 5: Solve for x
    x = 17,941,750,970.94/149,820.60
  6. Step 6: Final answer
    x = 119,754.90

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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.