Home / 133,573.54-184,331.79-72,320.40

Finding the Fourth Proportional to 133,573.54, 184,331.79 and 72,320.40

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Solution

The fourth proportional to 133,573.54, 184,331.79 and 72,320.40 is: 99,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,573.54 : 184,331.79 = 72,320.40 : x
  2. Step 2: Convert to fraction form
    133,573.54/184,331.79 = 72,320.40/x
  3. Step 3: Cross multiply
    133,573.54x = 184,331.79 × 72,320.40
  4. Step 4: Simplify right side
    133,573.54x = 13,330,948,785.52
  5. Step 5: Solve for x
    x = 13,330,948,785.52/133,573.54
  6. Step 6: Final answer
    x = 99,802.32

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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.