Home / 104,106.80-143,667.84-56,360.15

Finding the Fourth Proportional to 104,106.80, 143,667.84 and 56,360.15

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Solution

The fourth proportional to 104,106.80, 143,667.84 and 56,360.15 is: 77,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,106.80 : 143,667.84 = 56,360.15 : x
  2. Step 2: Convert to fraction form
    104,106.80/143,667.84 = 56,360.15/x
  3. Step 3: Cross multiply
    104,106.80x = 143,667.84 × 56,360.15
  4. Step 4: Simplify right side
    104,106.80x = 8,097,141,044.34
  5. Step 5: Solve for x
    x = 8,097,141,044.34/104,106.80
  6. Step 6: Final answer
    x = 77,777.25

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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.