Home / 124,645.09-186,688.80-57,985.33

Finding the Fourth Proportional to 124,645.09, 186,688.80 and 57,985.33

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Solution

The fourth proportional to 124,645.09, 186,688.80 and 57,985.33 is: 86,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,645.09 : 186,688.80 = 57,985.33 : x
  2. Step 2: Convert to fraction form
    124,645.09/186,688.80 = 57,985.33/x
  3. Step 3: Cross multiply
    124,645.09x = 186,688.80 × 57,985.33
  4. Step 4: Simplify right side
    124,645.09x = 10,825,211,675.30
  5. Step 5: Solve for x
    x = 10,825,211,675.30/124,645.09
  6. Step 6: Final answer
    x = 86,848.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.