Home / 104,039.42-143,574.40-56,292.76

Finding the Fourth Proportional to 104,039.42, 143,574.40 and 56,292.76

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Solution

The fourth proportional to 104,039.42, 143,574.40 and 56,292.76 is: 77,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,039.42 : 143,574.40 = 56,292.76 : x
  2. Step 2: Convert to fraction form
    104,039.42/143,574.40 = 56,292.76/x
  3. Step 3: Cross multiply
    104,039.42x = 143,574.40 × 56,292.76
  4. Step 4: Simplify right side
    104,039.42x = 8,082,199,241.34
  5. Step 5: Solve for x
    x = 8,082,199,241.34/104,039.42
  6. Step 6: Final answer
    x = 77,684.01

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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.