Home / 133,220.72-199,871.04-56,320.16

Finding the Fourth Proportional to 133,220.72, 199,871.04 and 56,320.16

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Solution

The fourth proportional to 133,220.72, 199,871.04 and 56,320.16 is: 84,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,220.72 : 199,871.04 = 56,320.16 : x
  2. Step 2: Convert to fraction form
    133,220.72/199,871.04 = 56,320.16/x
  3. Step 3: Cross multiply
    133,220.72x = 199,871.04 × 56,320.16
  4. Step 4: Simplify right side
    133,220.72x = 11,256,768,952.17
  5. Step 5: Solve for x
    x = 11,256,768,952.17/133,220.72
  6. Step 6: Final answer
    x = 84,497.13

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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.