Home / 90,944.16-136,267.92-55,809.60

Finding the Fourth Proportional to 90,944.16, 136,267.92 and 55,809.60

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Solution

The fourth proportional to 90,944.16, 136,267.92 and 55,809.60 is: 83,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,944.16 : 136,267.92 = 55,809.60 : x
  2. Step 2: Convert to fraction form
    90,944.16/136,267.92 = 55,809.60/x
  3. Step 3: Cross multiply
    90,944.16x = 136,267.92 × 55,809.60
  4. Step 4: Simplify right side
    90,944.16x = 7,605,058,108.03
  5. Step 5: Solve for x
    x = 7,605,058,108.03/90,944.16
  6. Step 6: Final answer
    x = 83,623.38

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1.5x scale

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.