Home / 211,307.34-316,997.93-92,975.61

Finding the Fourth Proportional to 211,307.34, 316,997.93 and 92,975.61

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Solution

The fourth proportional to 211,307.34, 316,997.93 and 92,975.61 is: 139,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,307.34 : 316,997.93 = 92,975.61 : x
  2. Step 2: Convert to fraction form
    211,307.34/316,997.93 = 92,975.61/x
  3. Step 3: Cross multiply
    211,307.34x = 316,997.93 × 92,975.61
  4. Step 4: Simplify right side
    211,307.34x = 29,473,075,910.49
  5. Step 5: Solve for x
    x = 29,473,075,910.49/211,307.34
  6. Step 6: Final answer
    x = 139,479.66

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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.