Home / 157,270.74-234,765.86-145,563.45

Finding the Fourth Proportional to 157,270.74, 234,765.86 and 145,563.45

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Solution

The fourth proportional to 157,270.74, 234,765.86 and 145,563.45 is: 217,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,270.74 : 234,765.86 = 145,563.45 : x
  2. Step 2: Convert to fraction form
    157,270.74/234,765.86 = 145,563.45/x
  3. Step 3: Cross multiply
    157,270.74x = 234,765.86 × 145,563.45
  4. Step 4: Simplify right side
    157,270.74x = 34,173,327,796.00
  5. Step 5: Solve for x
    x = 34,173,327,796.00/157,270.74
  6. Step 6: Final answer
    x = 217,289.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.