Home / 91,473.49-126,238.73-51,186.93

Finding the Fourth Proportional to 91,473.49, 126,238.73 and 51,186.93

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Solution

The fourth proportional to 91,473.49, 126,238.73 and 51,186.93 is: 70,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,473.49 : 126,238.73 = 51,186.93 : x
  2. Step 2: Convert to fraction form
    91,473.49/126,238.73 = 51,186.93/x
  3. Step 3: Cross multiply
    91,473.49x = 126,238.73 × 51,186.93
  4. Step 4: Simplify right side
    91,473.49x = 6,461,773,035.80
  5. Step 5: Solve for x
    x = 6,461,773,035.80/91,473.49
  6. Step 6: Final answer
    x = 70,640.94

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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.