Home / 85,058.16-127,820.52-80,227.32

Finding the Fourth Proportional to 85,058.16, 127,820.52 and 80,227.32

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Solution

The fourth proportional to 85,058.16, 127,820.52 and 80,227.32 is: 120,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,058.16 : 127,820.52 = 80,227.32 : x
  2. Step 2: Convert to fraction form
    85,058.16/127,820.52 = 80,227.32/x
  3. Step 3: Cross multiply
    85,058.16x = 127,820.52 × 80,227.32
  4. Step 4: Simplify right side
    85,058.16x = 10,254,697,760.61
  5. Step 5: Solve for x
    x = 10,254,697,760.61/85,058.16
  6. Step 6: Final answer
    x = 120,561.01

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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.