Home / 142,237.36-196,293.52-81,808.02

Finding the Fourth Proportional to 142,237.36, 196,293.52 and 81,808.02

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Solution

The fourth proportional to 142,237.36, 196,293.52 and 81,808.02 is: 112,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,237.36 : 196,293.52 = 81,808.02 : x
  2. Step 2: Convert to fraction form
    142,237.36/196,293.52 = 81,808.02/x
  3. Step 3: Cross multiply
    142,237.36x = 196,293.52 × 81,808.02
  4. Step 4: Simplify right side
    142,237.36x = 16,058,384,210.03
  5. Step 5: Solve for x
    x = 16,058,384,210.03/142,237.36
  6. Step 6: Final answer
    x = 112,898.50

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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.