Home / 189,931.95-262,076.90-109,343.93

Finding the Fourth Proportional to 189,931.95, 262,076.90 and 109,343.93

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Solution

The fourth proportional to 189,931.95, 262,076.90 and 109,343.93 is: 150,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,931.95 : 262,076.90 = 109,343.93 : x
  2. Step 2: Convert to fraction form
    189,931.95/262,076.90 = 109,343.93/x
  3. Step 3: Cross multiply
    189,931.95x = 262,076.90 × 109,343.93
  4. Step 4: Simplify right side
    189,931.95x = 28,656,516,351.11
  5. Step 5: Solve for x
    x = 28,656,516,351.11/189,931.95
  6. Step 6: Final answer
    x = 150,877.81

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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.