Home / 142,325.36-196,419.19-84,967.03

Finding the Fourth Proportional to 142,325.36, 196,419.19 and 84,967.03

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Solution

The fourth proportional to 142,325.36, 196,419.19 and 84,967.03 is: 117,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,325.36 : 196,419.19 = 84,967.03 : x
  2. Step 2: Convert to fraction form
    142,325.36/196,419.19 = 84,967.03/x
  3. Step 3: Cross multiply
    142,325.36x = 196,419.19 × 84,967.03
  4. Step 4: Simplify right side
    142,325.36x = 16,689,155,209.31
  5. Step 5: Solve for x
    x = 16,689,155,209.31/142,325.36
  6. Step 6: Final answer
    x = 117,260.59

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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.