Home / 104,007.20-143,529.75-56,260.53

Finding the Fourth Proportional to 104,007.20, 143,529.75 and 56,260.53

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Solution

The fourth proportional to 104,007.20, 143,529.75 and 56,260.53 is: 77,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,007.20 : 143,529.75 = 56,260.53 : x
  2. Step 2: Convert to fraction form
    104,007.20/143,529.75 = 56,260.53/x
  3. Step 3: Cross multiply
    104,007.20x = 143,529.75 × 56,260.53
  4. Step 4: Simplify right side
    104,007.20x = 8,075,059,805.77
  5. Step 5: Solve for x
    x = 8,075,059,805.77/104,007.20
  6. Step 6: Final answer
    x = 77,639.43

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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.