Home / 103,952.94-143,455.14-56,206.32

Finding the Fourth Proportional to 103,952.94, 143,455.14 and 56,206.32

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Solution

The fourth proportional to 103,952.94, 143,455.14 and 56,206.32 is: 77,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,952.94 : 143,455.14 = 56,206.32 : x
  2. Step 2: Convert to fraction form
    103,952.94/143,455.14 = 56,206.32/x
  3. Step 3: Cross multiply
    103,952.94x = 143,455.14 × 56,206.32
  4. Step 4: Simplify right side
    103,952.94x = 8,063,085,504.48
  5. Step 5: Solve for x
    x = 8,063,085,504.48/103,952.94
  6. Step 6: Final answer
    x = 77,564.77

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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.