Home / 104,176.21-143,754.65-58,858.13

Finding the Fourth Proportional to 104,176.21, 143,754.65 and 58,858.13

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Solution

The fourth proportional to 104,176.21, 143,754.65 and 58,858.13 is: 81,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,176.21 : 143,754.65 = 58,858.13 : x
  2. Step 2: Convert to fraction form
    104,176.21/143,754.65 = 58,858.13/x
  3. Step 3: Cross multiply
    104,176.21x = 143,754.65 × 58,858.13
  4. Step 4: Simplify right side
    104,176.21x = 8,461,128,864.74
  5. Step 5: Solve for x
    x = 8,461,128,864.74/104,176.21
  6. Step 6: Final answer
    x = 81,219.40

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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.