Home / 133,436.16-184,264.38-85,772.52

Finding the Fourth Proportional to 133,436.16, 184,264.38 and 85,772.52

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Solution

The fourth proportional to 133,436.16, 184,264.38 and 85,772.52 is: 118,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,436.16 : 184,264.38 = 85,772.52 : x
  2. Step 2: Convert to fraction form
    133,436.16/184,264.38 = 85,772.52/x
  3. Step 3: Cross multiply
    133,436.16x = 184,264.38 × 85,772.52
  4. Step 4: Simplify right side
    133,436.16x = 15,804,820,218.84
  5. Step 5: Solve for x
    x = 15,804,820,218.84/133,436.16
  6. Step 6: Final answer
    x = 118,444.81

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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.