Home / 202,733.92-304,113.36-78,075.04

Finding the Fourth Proportional to 202,733.92, 304,113.36 and 78,075.04

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Solution

The fourth proportional to 202,733.92, 304,113.36 and 78,075.04 is: 117,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,733.92 : 304,113.36 = 78,075.04 : x
  2. Step 2: Convert to fraction form
    202,733.92/304,113.36 = 78,075.04/x
  3. Step 3: Cross multiply
    202,733.92x = 304,113.36 × 78,075.04
  4. Step 4: Simplify right side
    202,733.92x = 23,743,662,746.53
  5. Step 5: Solve for x
    x = 23,743,662,746.53/202,733.92
  6. Step 6: Final answer
    x = 117,117.37

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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.