Home / 137,598.01-189,709.43-89,114.28

Finding the Fourth Proportional to 137,598.01, 189,709.43 and 89,114.28

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Solution

The fourth proportional to 137,598.01, 189,709.43 and 89,114.28 is: 122,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,598.01 : 189,709.43 = 89,114.28 : x
  2. Step 2: Convert to fraction form
    137,598.01/189,709.43 = 89,114.28/x
  3. Step 3: Cross multiply
    137,598.01x = 189,709.43 × 89,114.28
  4. Step 4: Simplify right side
    137,598.01x = 16,905,818,106.68
  5. Step 5: Solve for x
    x = 16,905,818,106.68/137,598.01
  6. Step 6: Final answer
    x = 122,863.83

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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.