Home / 155,307.77-213,795.81-114,945.47

Finding the Fourth Proportional to 155,307.77, 213,795.81 and 114,945.47

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Solution

The fourth proportional to 155,307.77, 213,795.81 and 114,945.47 is: 158,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,307.77 : 213,795.81 = 114,945.47 : x
  2. Step 2: Convert to fraction form
    155,307.77/213,795.81 = 114,945.47/x
  3. Step 3: Cross multiply
    155,307.77x = 213,795.81 × 114,945.47
  4. Step 4: Simplify right side
    155,307.77x = 24,574,858,795.50
  5. Step 5: Solve for x
    x = 24,574,858,795.50/155,307.77
  6. Step 6: Final answer
    x = 158,233.29

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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.