Home / 228,926.65-315,928.98-126,945.25

Finding the Fourth Proportional to 228,926.65, 315,928.98 and 126,945.25

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Solution

The fourth proportional to 228,926.65, 315,928.98 and 126,945.25 is: 175,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,926.65 : 315,928.98 = 126,945.25 : x
  2. Step 2: Convert to fraction form
    228,926.65/315,928.98 = 126,945.25/x
  3. Step 3: Cross multiply
    228,926.65x = 315,928.98 × 126,945.25
  4. Step 4: Simplify right side
    228,926.65x = 40,105,685,136.93
  5. Step 5: Solve for x
    x = 40,105,685,136.93/228,926.65
  6. Step 6: Final answer
    x = 175,190.11

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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.