Home / 142,756.56-197,010.36-79,094.34

Finding the Fourth Proportional to 142,756.56, 197,010.36 and 79,094.34

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Solution

The fourth proportional to 142,756.56, 197,010.36 and 79,094.34 is: 109,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,756.56 : 197,010.36 = 79,094.34 : x
  2. Step 2: Convert to fraction form
    142,756.56/197,010.36 = 79,094.34/x
  3. Step 3: Cross multiply
    142,756.56x = 197,010.36 × 79,094.34
  4. Step 4: Simplify right side
    142,756.56x = 15,582,404,397.36
  5. Step 5: Solve for x
    x = 15,582,404,397.36/142,756.56
  6. Step 6: Final answer
    x = 109,153.68

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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.