Home / 202,763.04-279,798.03-112,120.20

Finding the Fourth Proportional to 202,763.04, 279,798.03 and 112,120.20

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Solution

The fourth proportional to 202,763.04, 279,798.03 and 112,120.20 is: 154,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,763.04 : 279,798.03 = 112,120.20 : x
  2. Step 2: Convert to fraction form
    202,763.04/279,798.03 = 112,120.20/x
  3. Step 3: Cross multiply
    202,763.04x = 279,798.03 × 112,120.20
  4. Step 4: Simplify right side
    202,763.04x = 31,371,011,083.21
  5. Step 5: Solve for x
    x = 31,371,011,083.21/202,763.04
  6. Step 6: Final answer
    x = 154,717.60

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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.