Home / 212,235.98-292,881.20-115,441.79

Finding the Fourth Proportional to 212,235.98, 292,881.20 and 115,441.79

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Solution

The fourth proportional to 212,235.98, 292,881.20 and 115,441.79 is: 159,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,235.98 : 292,881.20 = 115,441.79 : x
  2. Step 2: Convert to fraction form
    212,235.98/292,881.20 = 115,441.79/x
  3. Step 3: Cross multiply
    212,235.98x = 292,881.20 × 115,441.79
  4. Step 4: Simplify right side
    212,235.98x = 33,810,727,943.73
  5. Step 5: Solve for x
    x = 33,810,727,943.73/212,235.98
  6. Step 6: Final answer
    x = 159,307.24

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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.