Home / 163,322.24-243,991.12-103,680.32

Finding the Fourth Proportional to 163,322.24, 243,991.12 and 103,680.32

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Solution

The fourth proportional to 163,322.24, 243,991.12 and 103,680.32 is: 154,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,322.24 : 243,991.12 = 103,680.32 : x
  2. Step 2: Convert to fraction form
    163,322.24/243,991.12 = 103,680.32/x
  3. Step 3: Cross multiply
    163,322.24x = 243,991.12 × 103,680.32
  4. Step 4: Simplify right side
    163,322.24x = 25,297,077,398.76
  5. Step 5: Solve for x
    x = 25,297,077,398.76/163,322.24
  6. Step 6: Final answer
    x = 154,890.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.