Home / 155,622.60-233,433.90-76,890.60

Finding the Fourth Proportional to 155,622.60, 233,433.90 and 76,890.60

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Solution

The fourth proportional to 155,622.60, 233,433.90 and 76,890.60 is: 115,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,622.60 : 233,433.90 = 76,890.60 : x
  2. Step 2: Convert to fraction form
    155,622.60/233,433.90 = 76,890.60/x
  3. Step 3: Cross multiply
    155,622.60x = 233,433.90 × 76,890.60
  4. Step 4: Simplify right side
    155,622.60x = 17,948,872,631.34
  5. Step 5: Solve for x
    x = 17,948,872,631.34/155,622.60
  6. Step 6: Final answer
    x = 115,335.90

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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.