Home / 110,333.75-152,239.50-76,289.45

Finding the Fourth Proportional to 110,333.75, 152,239.50 and 76,289.45

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Solution

The fourth proportional to 110,333.75, 152,239.50 and 76,289.45 is: 105,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,333.75 : 152,239.50 = 76,289.45 : x
  2. Step 2: Convert to fraction form
    110,333.75/152,239.50 = 76,289.45/x
  3. Step 3: Cross multiply
    110,333.75x = 152,239.50 × 76,289.45
  4. Step 4: Simplify right side
    110,333.75x = 11,614,266,962.08
  5. Step 5: Solve for x
    x = 11,614,266,962.08/110,333.75
  6. Step 6: Final answer
    x = 105,264.87

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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.