Home / 200,079.02-276,117.90-115,223.42

Finding the Fourth Proportional to 200,079.02, 276,117.90 and 115,223.42

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Solution

The fourth proportional to 200,079.02, 276,117.90 and 115,223.42 is: 159,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,079.02 : 276,117.90 = 115,223.42 : x
  2. Step 2: Convert to fraction form
    200,079.02/276,117.90 = 115,223.42/x
  3. Step 3: Cross multiply
    200,079.02x = 276,117.90 × 115,223.42
  4. Step 4: Simplify right side
    200,079.02x = 31,815,249,019.42
  5. Step 5: Solve for x
    x = 31,815,249,019.42/200,079.02
  6. Step 6: Final answer
    x = 159,013.42

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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.