Home / 212,710.47-293,536.65-115,915.17

Finding the Fourth Proportional to 212,710.47, 293,536.65 and 115,915.17

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Solution

The fourth proportional to 212,710.47, 293,536.65 and 115,915.17 is: 159,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,710.47 : 293,536.65 = 115,915.17 : x
  2. Step 2: Convert to fraction form
    212,710.47/293,536.65 = 115,915.17/x
  3. Step 3: Cross multiply
    212,710.47x = 293,536.65 × 115,915.17
  4. Step 4: Simplify right side
    212,710.47x = 34,025,350,685.98
  5. Step 5: Solve for x
    x = 34,025,350,685.98/212,710.47
  6. Step 6: Final answer
    x = 159,960.86

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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.