Home / 211,204.17-316,779.83-69,037.55

Finding the Fourth Proportional to 211,204.17, 316,779.83 and 69,037.55

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Solution

The fourth proportional to 211,204.17, 316,779.83 and 69,037.55 is: 103,547.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,204.17 : 316,779.83 = 69,037.55 : x
  2. Step 2: Convert to fraction form
    211,204.17/316,779.83 = 69,037.55/x
  3. Step 3: Cross multiply
    211,204.17x = 316,779.83 × 69,037.55
  4. Step 4: Simplify right side
    211,204.17x = 21,869,701,423.53
  5. Step 5: Solve for x
    x = 21,869,701,423.53/211,204.17
  6. Step 6: Final answer
    x = 103,547.68

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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.