Home / 133,653.36-184,440.07-72,398.40

Finding the Fourth Proportional to 133,653.36, 184,440.07 and 72,398.40

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Solution

The fourth proportional to 133,653.36, 184,440.07 and 72,398.40 is: 99,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,653.36 : 184,440.07 = 72,398.40 : x
  2. Step 2: Convert to fraction form
    133,653.36/184,440.07 = 72,398.40/x
  3. Step 3: Cross multiply
    133,653.36x = 184,440.07 × 72,398.40
  4. Step 4: Simplify right side
    133,653.36x = 13,353,165,963.89
  5. Step 5: Solve for x
    x = 13,353,165,963.89/133,653.36
  6. Step 6: Final answer
    x = 99,908.94

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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.