Home / 103,664.34-143,061.39-58,345.26

Finding the Fourth Proportional to 103,664.34, 143,061.39 and 58,345.26

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Solution

The fourth proportional to 103,664.34, 143,061.39 and 58,345.26 is: 80,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.34 : 143,061.39 = 58,345.26 : x
  2. Step 2: Convert to fraction form
    103,664.34/143,061.39 = 58,345.26/x
  3. Step 3: Cross multiply
    103,664.34x = 143,061.39 × 58,345.26
  4. Step 4: Simplify right side
    103,664.34x = 8,346,953,995.51
  5. Step 5: Solve for x
    x = 8,346,953,995.51/103,664.34
  6. Step 6: Final answer
    x = 80,519.05

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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.