Home / 213,125.90-294,112.31-117,632.57

Finding the Fourth Proportional to 213,125.90, 294,112.31 and 117,632.57

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Solution

The fourth proportional to 213,125.90, 294,112.31 and 117,632.57 is: 162,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,125.90 : 294,112.31 = 117,632.57 : x
  2. Step 2: Convert to fraction form
    213,125.90/294,112.31 = 117,632.57/x
  3. Step 3: Cross multiply
    213,125.90x = 294,112.31 × 117,632.57
  4. Step 4: Simplify right side
    213,125.90x = 34,597,184,835.21
  5. Step 5: Solve for x
    x = 34,597,184,835.21/213,125.90
  6. Step 6: Final answer
    x = 162,332.15

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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.