Home / 104,089.50-143,643.39-56,342.75

Finding the Fourth Proportional to 104,089.50, 143,643.39 and 56,342.75

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Solution

The fourth proportional to 104,089.50, 143,643.39 and 56,342.75 is: 77,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,089.50 : 143,643.39 = 56,342.75 : x
  2. Step 2: Convert to fraction form
    104,089.50/143,643.39 = 56,342.75/x
  3. Step 3: Cross multiply
    104,089.50x = 143,643.39 × 56,342.75
  4. Step 4: Simplify right side
    104,089.50x = 8,093,262,893.71
  5. Step 5: Solve for x
    x = 8,093,262,893.71/104,089.50
  6. Step 6: Final answer
    x = 77,752.92

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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.