Home / 212,764.12-293,615.08-117,271.19

Finding the Fourth Proportional to 212,764.12, 293,615.08 and 117,271.19

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Solution

The fourth proportional to 212,764.12, 293,615.08 and 117,271.19 is: 161,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,764.12 : 293,615.08 = 117,271.19 : x
  2. Step 2: Convert to fraction form
    212,764.12/293,615.08 = 117,271.19/x
  3. Step 3: Cross multiply
    212,764.12x = 293,615.08 × 117,271.19
  4. Step 4: Simplify right side
    212,764.12x = 34,432,590,274.40
  5. Step 5: Solve for x
    x = 34,432,590,274.40/212,764.12
  6. Step 6: Final answer
    x = 161,834.57

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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.