Home / 91,192.49-125,840.42-50,908.81

Finding the Fourth Proportional to 91,192.49, 125,840.42 and 50,908.81

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Solution

The fourth proportional to 91,192.49, 125,840.42 and 50,908.81 is: 70,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,192.49 : 125,840.42 = 50,908.81 : x
  2. Step 2: Convert to fraction form
    91,192.49/125,840.42 = 50,908.81/x
  3. Step 3: Cross multiply
    91,192.49x = 125,840.42 × 50,908.81
  4. Step 4: Simplify right side
    91,192.49x = 6,406,386,032.10
  5. Step 5: Solve for x
    x = 6,406,386,032.10/91,192.49
  6. Step 6: Final answer
    x = 70,251.25

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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.