Home / 211,098.16-316,680.05-70,889.59

Finding the Fourth Proportional to 211,098.16, 316,680.05 and 70,889.59

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Solution

The fourth proportional to 211,098.16, 316,680.05 and 70,889.59 is: 106,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,098.16 : 316,680.05 = 70,889.59 : x
  2. Step 2: Convert to fraction form
    211,098.16/316,680.05 = 70,889.59/x
  3. Step 3: Cross multiply
    211,098.16x = 316,680.05 × 70,889.59
  4. Step 4: Simplify right side
    211,098.16x = 22,449,317,759.53
  5. Step 5: Solve for x
    x = 22,449,317,759.53/211,098.16
  6. Step 6: Final answer
    x = 106,345.40

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1.5x scale

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.