Home / 104,243.84-143,852.96-61,777.20

Finding the Fourth Proportional to 104,243.84, 143,852.96 and 61,777.20

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Solution

The fourth proportional to 104,243.84, 143,852.96 and 61,777.20 is: 85,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,243.84 : 143,852.96 = 61,777.20 : x
  2. Step 2: Convert to fraction form
    104,243.84/143,852.96 = 61,777.20/x
  3. Step 3: Cross multiply
    104,243.84x = 143,852.96 × 61,777.20
  4. Step 4: Simplify right side
    104,243.84x = 8,886,833,080.51
  5. Step 5: Solve for x
    x = 8,886,833,080.51/104,243.84
  6. Step 6: Final answer
    x = 85,250.44

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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.