Home / 102,075.03-140,826.24-61,774.11

Finding the Fourth Proportional to 102,075.03, 140,826.24 and 61,774.11

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Solution

The fourth proportional to 102,075.03, 140,826.24 and 61,774.11 is: 85,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,075.03 : 140,826.24 = 61,774.11 : x
  2. Step 2: Convert to fraction form
    102,075.03/140,826.24 = 61,774.11/x
  3. Step 3: Cross multiply
    102,075.03x = 140,826.24 × 61,774.11
  4. Step 4: Simplify right side
    102,075.03x = 8,699,415,640.65
  5. Step 5: Solve for x
    x = 8,699,415,640.65/102,075.03
  6. Step 6: Final answer
    x = 85,225.70

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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.