Home / 210,075.85-315,242.84-110,307.61

Finding the Fourth Proportional to 210,075.85, 315,242.84 and 110,307.61

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Solution

The fourth proportional to 210,075.85, 315,242.84 and 110,307.61 is: 165,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,075.85 : 315,242.84 = 110,307.61 : x
  2. Step 2: Convert to fraction form
    210,075.85/315,242.84 = 110,307.61/x
  3. Step 3: Cross multiply
    210,075.85x = 315,242.84 × 110,307.61
  4. Step 4: Simplify right side
    210,075.85x = 34,773,684,250.01
  5. Step 5: Solve for x
    x = 34,773,684,250.01/210,075.85
  6. Step 6: Final answer
    x = 165,529.19

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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.