Home / 142,570.28-196,713.55-97,342.45

Finding the Fourth Proportional to 142,570.28, 196,713.55 and 97,342.45

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Solution

The fourth proportional to 142,570.28, 196,713.55 and 97,342.45 is: 134,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,570.28 : 196,713.55 = 97,342.45 : x
  2. Step 2: Convert to fraction form
    142,570.28/196,713.55 = 97,342.45/x
  3. Step 3: Cross multiply
    142,570.28x = 196,713.55 × 97,342.45
  4. Step 4: Simplify right side
    142,570.28x = 19,148,578,905.20
  5. Step 5: Solve for x
    x = 19,148,578,905.20/142,570.28
  6. Step 6: Final answer
    x = 134,309.75

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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.