Home / 189,761.35-284,688.75-133,710.93

Finding the Fourth Proportional to 189,761.35, 284,688.75 and 133,710.93

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Solution

The fourth proportional to 189,761.35, 284,688.75 and 133,710.93 is: 200,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,761.35 : 284,688.75 = 133,710.93 : x
  2. Step 2: Convert to fraction form
    189,761.35/284,688.75 = 133,710.93/x
  3. Step 3: Cross multiply
    189,761.35x = 284,688.75 × 133,710.93
  4. Step 4: Simplify right side
    189,761.35x = 38,065,997,523.04
  5. Step 5: Solve for x
    x = 38,065,997,523.04/189,761.35
  6. Step 6: Final answer
    x = 200,599.32

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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.