Home / 88,728.78-122,440.47-51,003.06

Finding the Fourth Proportional to 88,728.78, 122,440.47 and 51,003.06

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Solution

The fourth proportional to 88,728.78, 122,440.47 and 51,003.06 is: 70,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,728.78 : 122,440.47 = 51,003.06 : x
  2. Step 2: Convert to fraction form
    88,728.78/122,440.47 = 51,003.06/x
  3. Step 3: Cross multiply
    88,728.78x = 122,440.47 × 51,003.06
  4. Step 4: Simplify right side
    88,728.78x = 6,244,838,637.84
  5. Step 5: Solve for x
    x = 6,244,838,637.84/88,728.78
  6. Step 6: Final answer
    x = 70,381.21

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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.