Home / 128,926.86-193,341.08-50,030.84

Finding the Fourth Proportional to 128,926.86, 193,341.08 and 50,030.84

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Solution

The fourth proportional to 128,926.86, 193,341.08 and 50,030.84 is: 75,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,926.86 : 193,341.08 = 50,030.84 : x
  2. Step 2: Convert to fraction form
    128,926.86/193,341.08 = 50,030.84/x
  3. Step 3: Cross multiply
    128,926.86x = 193,341.08 × 50,030.84
  4. Step 4: Simplify right side
    128,926.86x = 9,673,016,638.91
  5. Step 5: Solve for x
    x = 9,673,016,638.91/128,926.86
  6. Step 6: Final answer
    x = 75,027.16

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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.