Home / 160,970.10-222,218.67-100,574.27

Finding the Fourth Proportional to 160,970.10, 222,218.67 and 100,574.27

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Solution

The fourth proportional to 160,970.10, 222,218.67 and 100,574.27 is: 138,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,970.10 : 222,218.67 = 100,574.27 : x
  2. Step 2: Convert to fraction form
    160,970.10/222,218.67 = 100,574.27/x
  3. Step 3: Cross multiply
    160,970.10x = 222,218.67 × 100,574.27
  4. Step 4: Simplify right side
    160,970.10x = 22,349,479,404.53
  5. Step 5: Solve for x
    x = 22,349,479,404.53/160,970.10
  6. Step 6: Final answer
    x = 138,842.43

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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.