Home / 222,437.34-306,962.46-121,835.34

Finding the Fourth Proportional to 222,437.34, 306,962.46 and 121,835.34

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Solution

The fourth proportional to 222,437.34, 306,962.46 and 121,835.34 is: 168,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,437.34 : 306,962.46 = 121,835.34 : x
  2. Step 2: Convert to fraction form
    222,437.34/306,962.46 = 121,835.34/x
  3. Step 3: Cross multiply
    222,437.34x = 306,962.46 × 121,835.34
  4. Step 4: Simplify right side
    222,437.34x = 37,398,875,681.34
  5. Step 5: Solve for x
    x = 37,398,875,681.34/222,437.34
  6. Step 6: Final answer
    x = 168,132.18

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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.