Home / 103,756.06-143,181.84-58,434.13

Finding the Fourth Proportional to 103,756.06, 143,181.84 and 58,434.13

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Solution

The fourth proportional to 103,756.06, 143,181.84 and 58,434.13 is: 80,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,756.06 : 143,181.84 = 58,434.13 : x
  2. Step 2: Convert to fraction form
    103,756.06/143,181.84 = 58,434.13/x
  3. Step 3: Cross multiply
    103,756.06x = 143,181.84 × 58,434.13
  4. Step 4: Simplify right side
    103,756.06x = 8,366,706,252.20
  5. Step 5: Solve for x
    x = 8,366,706,252.20/103,756.06
  6. Step 6: Final answer
    x = 80,638.24

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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.