Home / 94,781.94-142,735.38-84,400.98

Finding the Fourth Proportional to 94,781.94, 142,735.38 and 84,400.98

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Solution

The fourth proportional to 94,781.94, 142,735.38 and 84,400.98 is: 127,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,781.94 : 142,735.38 = 84,400.98 : x
  2. Step 2: Convert to fraction form
    94,781.94/142,735.38 = 84,400.98/x
  3. Step 3: Cross multiply
    94,781.94x = 142,735.38 × 84,400.98
  4. Step 4: Simplify right side
    94,781.94x = 12,047,005,952.67
  5. Step 5: Solve for x
    x = 12,047,005,952.67/94,781.94
  6. Step 6: Final answer
    x = 127,102.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.