Home / 102,962.51-142,081.68-57,632.87

Finding the Fourth Proportional to 102,962.51, 142,081.68 and 57,632.87

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Solution

The fourth proportional to 102,962.51, 142,081.68 and 57,632.87 is: 79,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,962.51 : 142,081.68 = 57,632.87 : x
  2. Step 2: Convert to fraction form
    102,962.51/142,081.68 = 57,632.87/x
  3. Step 3: Cross multiply
    102,962.51x = 142,081.68 × 57,632.87
  4. Step 4: Simplify right side
    102,962.51x = 8,188,574,992.82
  5. Step 5: Solve for x
    x = 8,188,574,992.82/102,962.51
  6. Step 6: Final answer
    x = 79,529.68

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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.