Home / 212,979.56-293,925.22-122,364.52

Finding the Fourth Proportional to 212,979.56, 293,925.22 and 122,364.52

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Solution

The fourth proportional to 212,979.56, 293,925.22 and 122,364.52 is: 168,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,979.56 : 293,925.22 = 122,364.52 : x
  2. Step 2: Convert to fraction form
    212,979.56/293,925.22 = 122,364.52/x
  3. Step 3: Cross multiply
    212,979.56x = 293,925.22 × 122,364.52
  4. Step 4: Simplify right side
    212,979.56x = 35,966,018,461.19
  5. Step 5: Solve for x
    x = 35,966,018,461.19/212,979.56
  6. Step 6: Final answer
    x = 168,870.75

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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.