Home / 142,947.96-197,203.50-89,246.22

Finding the Fourth Proportional to 142,947.96, 197,203.50 and 89,246.22

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Solution

The fourth proportional to 142,947.96, 197,203.50 and 89,246.22 is: 123,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,947.96 : 197,203.50 = 89,246.22 : x
  2. Step 2: Convert to fraction form
    142,947.96/197,203.50 = 89,246.22/x
  3. Step 3: Cross multiply
    142,947.96x = 197,203.50 × 89,246.22
  4. Step 4: Simplify right side
    142,947.96x = 17,599,666,945.77
  5. Step 5: Solve for x
    x = 17,599,666,945.77/142,947.96
  6. Step 6: Final answer
    x = 123,119.40

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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.