Home / 161,708.35-221,541.24-155,647.85

Finding the Fourth Proportional to 161,708.35, 221,541.24 and 155,647.85

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Solution

The fourth proportional to 161,708.35, 221,541.24 and 155,647.85 is: 213,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,708.35 : 221,541.24 = 155,647.85 : x
  2. Step 2: Convert to fraction form
    161,708.35/221,541.24 = 155,647.85/x
  3. Step 3: Cross multiply
    161,708.35x = 221,541.24 × 155,647.85
  4. Step 4: Simplify right side
    161,708.35x = 34,482,417,692.33
  5. Step 5: Solve for x
    x = 34,482,417,692.33/161,708.35
  6. Step 6: Final answer
    x = 213,238.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.