Home / 103,161.54-142,388.25-62,897.51

Finding the Fourth Proportional to 103,161.54, 142,388.25 and 62,897.51

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Solution

The fourth proportional to 103,161.54, 142,388.25 and 62,897.51 is: 86,814.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,161.54 : 142,388.25 = 62,897.51 : x
  2. Step 2: Convert to fraction form
    103,161.54/142,388.25 = 62,897.51/x
  3. Step 3: Cross multiply
    103,161.54x = 142,388.25 × 62,897.51
  4. Step 4: Simplify right side
    103,161.54x = 8,955,865,666.32
  5. Step 5: Solve for x
    x = 8,955,865,666.32/103,161.54
  6. Step 6: Final answer
    x = 86,814.00

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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.