Home / 142,575.03-196,720.11-97,347.20

Finding the Fourth Proportional to 142,575.03, 196,720.11 and 97,347.20

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Solution

The fourth proportional to 142,575.03, 196,720.11 and 97,347.20 is: 134,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,575.03 : 196,720.11 = 97,347.20 : x
  2. Step 2: Convert to fraction form
    142,575.03/196,720.11 = 97,347.20/x
  3. Step 3: Cross multiply
    142,575.03x = 196,720.11 × 97,347.20
  4. Step 4: Simplify right side
    142,575.03x = 19,150,150,908.59
  5. Step 5: Solve for x
    x = 19,150,150,908.59/142,575.03
  6. Step 6: Final answer
    x = 134,316.30

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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.