Home / 155,427.40-233,141.10-55,635.40

Finding the Fourth Proportional to 155,427.40, 233,141.10 and 55,635.40

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Solution

The fourth proportional to 155,427.40, 233,141.10 and 55,635.40 is: 83,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,427.40 : 233,141.10 = 55,635.40 : x
  2. Step 2: Convert to fraction form
    155,427.40/233,141.10 = 55,635.40/x
  3. Step 3: Cross multiply
    155,427.40x = 233,141.10 × 55,635.40
  4. Step 4: Simplify right side
    155,427.40x = 12,970,898,354.94
  5. Step 5: Solve for x
    x = 12,970,898,354.94/155,427.40
  6. Step 6: Final answer
    x = 83,453.10

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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.