Home / 253,011.25-379,187.61-103,075.93

Finding the Fourth Proportional to 253,011.25, 379,187.61 and 103,075.93

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Solution

The fourth proportional to 253,011.25, 379,187.61 and 103,075.93 is: 154,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,011.25 : 379,187.61 = 103,075.93 : x
  2. Step 2: Convert to fraction form
    253,011.25/379,187.61 = 103,075.93/x
  3. Step 3: Cross multiply
    253,011.25x = 379,187.61 × 103,075.93
  4. Step 4: Simplify right side
    253,011.25x = 39,085,115,545.23
  5. Step 5: Solve for x
    x = 39,085,115,545.23/253,011.25
  6. Step 6: Final answer
    x = 154,479.75

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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.