Home / 155,307.02-213,794.78-114,944.72

Finding the Fourth Proportional to 155,307.02, 213,794.78 and 114,944.72

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Solution

The fourth proportional to 155,307.02, 213,794.78 and 114,944.72 is: 158,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,307.02 : 213,794.78 = 114,944.72 : x
  2. Step 2: Convert to fraction form
    155,307.02/213,794.78 = 114,944.72/x
  3. Step 3: Cross multiply
    155,307.02x = 213,794.78 × 114,944.72
  4. Step 4: Simplify right side
    155,307.02x = 24,574,579,480.86
  5. Step 5: Solve for x
    x = 24,574,579,480.86/155,307.02
  6. Step 6: Final answer
    x = 158,232.26

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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.