Home / 213,000.07-293,938.45-117,510.79

Finding the Fourth Proportional to 213,000.07, 293,938.45 and 117,510.79

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Solution

The fourth proportional to 213,000.07, 293,938.45 and 117,510.79 is: 162,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,000.07 : 293,938.45 = 117,510.79 : x
  2. Step 2: Convert to fraction form
    213,000.07/293,938.45 = 117,510.79/x
  3. Step 3: Cross multiply
    213,000.07x = 293,938.45 × 117,510.79
  4. Step 4: Simplify right side
    213,000.07x = 34,540,939,470.88
  5. Step 5: Solve for x
    x = 34,540,939,470.88/213,000.07
  6. Step 6: Final answer
    x = 162,163.98

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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.