Home / 91,852.65-126,747.90-51,557.17

Finding the Fourth Proportional to 91,852.65, 126,747.90 and 51,557.17

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Solution

The fourth proportional to 91,852.65, 126,747.90 and 51,557.17 is: 71,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,852.65 : 126,747.90 = 51,557.17 : x
  2. Step 2: Convert to fraction form
    91,852.65/126,747.90 = 51,557.17/x
  3. Step 3: Cross multiply
    91,852.65x = 126,747.90 × 51,557.17
  4. Step 4: Simplify right side
    91,852.65x = 6,534,763,027.44
  5. Step 5: Solve for x
    x = 6,534,763,027.44/91,852.65
  6. Step 6: Final answer
    x = 71,143.98

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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.