Home / 133,875.16-200,814.18-40,381.72

Finding the Fourth Proportional to 133,875.16, 200,814.18 and 40,381.72

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Solution

The fourth proportional to 133,875.16, 200,814.18 and 40,381.72 is: 60,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,875.16 : 200,814.18 = 40,381.72 : x
  2. Step 2: Convert to fraction form
    133,875.16/200,814.18 = 40,381.72/x
  3. Step 3: Cross multiply
    133,875.16x = 200,814.18 × 40,381.72
  4. Step 4: Simplify right side
    133,875.16x = 8,109,221,988.79
  5. Step 5: Solve for x
    x = 8,109,221,988.79/133,875.16
  6. Step 6: Final answer
    x = 60,573.01

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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.