Home / 212,905.06-319,303.11-63,110.34

Finding the Fourth Proportional to 212,905.06, 319,303.11 and 63,110.34

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Solution

The fourth proportional to 212,905.06, 319,303.11 and 63,110.34 is: 94,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,905.06 : 319,303.11 = 63,110.34 : x
  2. Step 2: Convert to fraction form
    212,905.06/319,303.11 = 63,110.34/x
  3. Step 3: Cross multiply
    212,905.06x = 319,303.11 × 63,110.34
  4. Step 4: Simplify right side
    212,905.06x = 20,151,328,071.82
  5. Step 5: Solve for x
    x = 20,151,328,071.82/212,905.06
  6. Step 6: Final answer
    x = 94,649.36

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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.