Home / 98,065.40-147,190.26-51,351.80

Finding the Fourth Proportional to 98,065.40, 147,190.26 and 51,351.80

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Solution

The fourth proportional to 98,065.40, 147,190.26 and 51,351.80 is: 77,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,065.40 : 147,190.26 = 51,351.80 : x
  2. Step 2: Convert to fraction form
    98,065.40/147,190.26 = 51,351.80/x
  3. Step 3: Cross multiply
    98,065.40x = 147,190.26 × 51,351.80
  4. Step 4: Simplify right side
    98,065.40x = 7,558,484,793.47
  5. Step 5: Solve for x
    x = 7,558,484,793.47/98,065.40
  6. Step 6: Final answer
    x = 77,075.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.