Home / 155,247.40-232,871.10-102,103.30

Finding the Fourth Proportional to 155,247.40, 232,871.10 and 102,103.30

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Solution

The fourth proportional to 155,247.40, 232,871.10 and 102,103.30 is: 153,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,247.40 : 232,871.10 = 102,103.30 : x
  2. Step 2: Convert to fraction form
    155,247.40/232,871.10 = 102,103.30/x
  3. Step 3: Cross multiply
    155,247.40x = 232,871.10 × 102,103.30
  4. Step 4: Simplify right side
    155,247.40x = 23,776,907,784.63
  5. Step 5: Solve for x
    x = 23,776,907,784.63/155,247.40
  6. Step 6: Final answer
    x = 153,154.95

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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.