Home / 212,631.74-319,145.25-107,526.14

Finding the Fourth Proportional to 212,631.74, 319,145.25 and 107,526.14

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Solution

The fourth proportional to 212,631.74, 319,145.25 and 107,526.14 is: 161,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,631.74 : 319,145.25 = 107,526.14 : x
  2. Step 2: Convert to fraction form
    212,631.74/319,145.25 = 107,526.14/x
  3. Step 3: Cross multiply
    212,631.74x = 319,145.25 × 107,526.14
  4. Step 4: Simplify right side
    212,631.74x = 34,316,456,831.84
  5. Step 5: Solve for x
    x = 34,316,456,831.84/212,631.74
  6. Step 6: Final answer
    x = 161,389.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.