Home / 211,711.12-292,184.59-121,075.52

Finding the Fourth Proportional to 211,711.12, 292,184.59 and 121,075.52

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Solution

The fourth proportional to 211,711.12, 292,184.59 and 121,075.52 is: 167,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,711.12 : 292,184.59 = 121,075.52 : x
  2. Step 2: Convert to fraction form
    211,711.12/292,184.59 = 121,075.52/x
  3. Step 3: Cross multiply
    211,711.12x = 292,184.59 × 121,075.52
  4. Step 4: Simplify right side
    211,711.12x = 35,376,401,170.24
  5. Step 5: Solve for x
    x = 35,376,401,170.24/211,711.12
  6. Step 6: Final answer
    x = 167,097.51

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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.