Home / 212,339.16-293,040.14-121,710.20

Finding the Fourth Proportional to 212,339.16, 293,040.14 and 121,710.20

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Solution

The fourth proportional to 212,339.16, 293,040.14 and 121,710.20 is: 167,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,339.16 : 293,040.14 = 121,710.20 : x
  2. Step 2: Convert to fraction form
    212,339.16/293,040.14 = 121,710.20/x
  3. Step 3: Cross multiply
    212,339.16x = 293,040.14 × 121,710.20
  4. Step 4: Simplify right side
    212,339.16x = 35,665,971,973.68
  5. Step 5: Solve for x
    x = 35,665,971,973.68/212,339.16
  6. Step 6: Final answer
    x = 167,967.00

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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.