Home / 160,588.19-221,715.70-103,253.27

Finding the Fourth Proportional to 160,588.19, 221,715.70 and 103,253.27

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Solution

The fourth proportional to 160,588.19, 221,715.70 and 103,253.27 is: 142,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,588.19 : 221,715.70 = 103,253.27 : x
  2. Step 2: Convert to fraction form
    160,588.19/221,715.70 = 103,253.27/x
  3. Step 3: Cross multiply
    160,588.19x = 221,715.70 × 103,253.27
  4. Step 4: Simplify right side
    160,588.19x = 22,892,869,668.63
  5. Step 5: Solve for x
    x = 22,892,869,668.63/160,588.19
  6. Step 6: Final answer
    x = 142,556.37

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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.