Home / 212,304.56-293,111.19-146,115

Finding the Fourth Proportional to 212,304.56, 293,111.19 and 146,115

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Solution

The fourth proportional to 212,304.56, 293,111.19 and 146,115 is: 201,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,304.56 : 293,111.19 = 146,115 : x
  2. Step 2: Convert to fraction form
    212,304.56/293,111.19 = 146,115/x
  3. Step 3: Cross multiply
    212,304.56x = 293,111.19 × 146,115
  4. Step 4: Simplify right side
    212,304.56x = 42,827,941,526.85
  5. Step 5: Solve for x
    x = 42,827,941,526.85/212,304.56
  6. Step 6: Final answer
    x = 201,728.79

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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.