Home / 147,562.96-203,588.76-87,113.20

Finding the Fourth Proportional to 147,562.96, 203,588.76 and 87,113.20

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Solution

The fourth proportional to 147,562.96, 203,588.76 and 87,113.20 is: 120,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,562.96 : 203,588.76 = 87,113.20 : x
  2. Step 2: Convert to fraction form
    147,562.96/203,588.76 = 87,113.20/x
  3. Step 3: Cross multiply
    147,562.96x = 203,588.76 × 87,113.20
  4. Step 4: Simplify right side
    147,562.96x = 17,735,268,367.63
  5. Step 5: Solve for x
    x = 17,735,268,367.63/147,562.96
  6. Step 6: Final answer
    x = 120,187.81

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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.