Home / 103,993.35-143,510.93-56,246.77

Finding the Fourth Proportional to 103,993.35, 143,510.93 and 56,246.77

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Solution

The fourth proportional to 103,993.35, 143,510.93 and 56,246.77 is: 77,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,993.35 : 143,510.93 = 56,246.77 : x
  2. Step 2: Convert to fraction form
    103,993.35/143,510.93 = 56,246.77/x
  3. Step 3: Cross multiply
    103,993.35x = 143,510.93 × 56,246.77
  4. Step 4: Simplify right side
    103,993.35x = 8,072,026,272.20
  5. Step 5: Solve for x
    x = 8,072,026,272.20/103,993.35
  6. Step 6: Final answer
    x = 77,620.60

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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.