Home / 133,574.25-184,332.75-72,321.09

Finding the Fourth Proportional to 133,574.25, 184,332.75 and 72,321.09

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Solution

The fourth proportional to 133,574.25, 184,332.75 and 72,321.09 is: 99,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,574.25 : 184,332.75 = 72,321.09 : x
  2. Step 2: Convert to fraction form
    133,574.25/184,332.75 = 72,321.09/x
  3. Step 3: Cross multiply
    133,574.25x = 184,332.75 × 72,321.09
  4. Step 4: Simplify right side
    133,574.25x = 13,331,145,402.70
  5. Step 5: Solve for x
    x = 13,331,145,402.70/133,574.25
  6. Step 6: Final answer
    x = 99,803.26

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1.5x scale

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.