Home / 103,966.49-143,473.77-56,219.84

Finding the Fourth Proportional to 103,966.49, 143,473.77 and 56,219.84

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Solution

The fourth proportional to 103,966.49, 143,473.77 and 56,219.84 is: 77,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,966.49 : 143,473.77 = 56,219.84 : x
  2. Step 2: Convert to fraction form
    103,966.49/143,473.77 = 56,219.84/x
  3. Step 3: Cross multiply
    103,966.49x = 143,473.77 × 56,219.84
  4. Step 4: Simplify right side
    103,966.49x = 8,066,072,214.25
  5. Step 5: Solve for x
    x = 8,066,072,214.25/103,966.49
  6. Step 6: Final answer
    x = 77,583.38

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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.