Home / 211,035.75-316,586.52-70,761.57

Finding the Fourth Proportional to 211,035.75, 316,586.52 and 70,761.57

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Solution

The fourth proportional to 211,035.75, 316,586.52 and 70,761.57 is: 106,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,035.75 : 316,586.52 = 70,761.57 : x
  2. Step 2: Convert to fraction form
    211,035.75/316,586.52 = 70,761.57/x
  3. Step 3: Cross multiply
    211,035.75x = 316,586.52 × 70,761.57
  4. Step 4: Simplify right side
    211,035.75x = 22,402,159,196.04
  5. Step 5: Solve for x
    x = 22,402,159,196.04/211,035.75
  6. Step 6: Final answer
    x = 106,153.38

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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.