Home / 134,155.70-201,233.55-71,947.70

Finding the Fourth Proportional to 134,155.70, 201,233.55 and 71,947.70

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Solution

The fourth proportional to 134,155.70, 201,233.55 and 71,947.70 is: 107,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,155.70 : 201,233.55 = 71,947.70 : x
  2. Step 2: Convert to fraction form
    134,155.70/201,233.55 = 71,947.70/x
  3. Step 3: Cross multiply
    134,155.70x = 201,233.55 × 71,947.70
  4. Step 4: Simplify right side
    134,155.70x = 14,478,291,085.34
  5. Step 5: Solve for x
    x = 14,478,291,085.34/134,155.70
  6. Step 6: Final answer
    x = 107,921.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.