Home / 142,652.34-196,804.08-91,657.44

Finding the Fourth Proportional to 142,652.34, 196,804.08 and 91,657.44

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Solution

The fourth proportional to 142,652.34, 196,804.08 and 91,657.44 is: 126,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,652.34 : 196,804.08 = 91,657.44 : x
  2. Step 2: Convert to fraction form
    142,652.34/196,804.08 = 91,657.44/x
  3. Step 3: Cross multiply
    142,652.34x = 196,804.08 × 91,657.44
  4. Step 4: Simplify right side
    142,652.34x = 18,038,558,154.36
  5. Step 5: Solve for x
    x = 18,038,558,154.36/142,652.34
  6. Step 6: Final answer
    x = 126,451.19

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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.