Home / 106,783.82-147,392.42-70,511.75

Finding the Fourth Proportional to 106,783.82, 147,392.42 and 70,511.75

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Solution

The fourth proportional to 106,783.82, 147,392.42 and 70,511.75 is: 97,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,783.82 : 147,392.42 = 70,511.75 : x
  2. Step 2: Convert to fraction form
    106,783.82/147,392.42 = 70,511.75/x
  3. Step 3: Cross multiply
    106,783.82x = 147,392.42 × 70,511.75
  4. Step 4: Simplify right side
    106,783.82x = 10,392,896,381.41
  5. Step 5: Solve for x
    x = 10,392,896,381.41/106,783.82
  6. Step 6: Final answer
    x = 97,326.51

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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.