Home / 219,251.64-302,315.04-161,973.84

Finding the Fourth Proportional to 219,251.64, 302,315.04 and 161,973.84

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Solution

The fourth proportional to 219,251.64, 302,315.04 and 161,973.84 is: 223,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,251.64 : 302,315.04 = 161,973.84 : x
  2. Step 2: Convert to fraction form
    219,251.64/302,315.04 = 161,973.84/x
  3. Step 3: Cross multiply
    219,251.64x = 302,315.04 × 161,973.84
  4. Step 4: Simplify right side
    219,251.64x = 48,967,127,918.55
  5. Step 5: Solve for x
    x = 48,967,127,918.55/219,251.64
  6. Step 6: Final answer
    x = 223,337.57

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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.