Home / 142,749.40-197,090.94-127,593.76

Finding the Fourth Proportional to 142,749.40, 197,090.94 and 127,593.76

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Solution

The fourth proportional to 142,749.40, 197,090.94 and 127,593.76 is: 176,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,749.40 : 197,090.94 = 127,593.76 : x
  2. Step 2: Convert to fraction form
    142,749.40/197,090.94 = 127,593.76/x
  3. Step 3: Cross multiply
    142,749.40x = 197,090.94 × 127,593.76
  4. Step 4: Simplify right side
    142,749.40x = 25,147,574,096.53
  5. Step 5: Solve for x
    x = 25,147,574,096.53/142,749.40
  6. Step 6: Final answer
    x = 176,165.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.