Home / 103,700.25-143,097.84-58,363.74

Finding the Fourth Proportional to 103,700.25, 143,097.84 and 58,363.74

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Solution

The fourth proportional to 103,700.25, 143,097.84 and 58,363.74 is: 80,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,700.25 : 143,097.84 = 58,363.74 : x
  2. Step 2: Convert to fraction form
    103,700.25/143,097.84 = 58,363.74/x
  3. Step 3: Cross multiply
    103,700.25x = 143,097.84 × 58,363.74
  4. Step 4: Simplify right side
    103,700.25x = 8,351,725,128.32
  5. Step 5: Solve for x
    x = 8,351,725,128.32/103,700.25
  6. Step 6: Final answer
    x = 80,537.17

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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.