Home / 211,225.52-291,491.16-115,735.84

Finding the Fourth Proportional to 211,225.52, 291,491.16 and 115,735.84

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Solution

The fourth proportional to 211,225.52, 291,491.16 and 115,735.84 is: 159,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,225.52 : 291,491.16 = 115,735.84 : x
  2. Step 2: Convert to fraction form
    211,225.52/291,491.16 = 115,735.84/x
  3. Step 3: Cross multiply
    211,225.52x = 291,491.16 × 115,735.84
  4. Step 4: Simplify right side
    211,225.52x = 33,735,974,255.17
  5. Step 5: Solve for x
    x = 33,735,974,255.17/211,225.52
  6. Step 6: Final answer
    x = 159,715.43

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1.5x scale

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.