Home / 213,020.61-293,971.85-117,527.28

Finding the Fourth Proportional to 213,020.61, 293,971.85 and 117,527.28

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Solution

The fourth proportional to 213,020.61, 293,971.85 and 117,527.28 is: 162,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,020.61 : 293,971.85 = 117,527.28 : x
  2. Step 2: Convert to fraction form
    213,020.61/293,971.85 = 117,527.28/x
  3. Step 3: Cross multiply
    213,020.61x = 293,971.85 × 117,527.28
  4. Step 4: Simplify right side
    213,020.61x = 34,549,711,927.07
  5. Step 5: Solve for x
    x = 34,549,711,927.07/213,020.61
  6. Step 6: Final answer
    x = 162,189.53

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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.