Home / 124,343.49-186,386.75-57,729.30

Finding the Fourth Proportional to 124,343.49, 186,386.75 and 57,729.30

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Solution

The fourth proportional to 124,343.49, 186,386.75 and 57,729.30 is: 86,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,343.49 : 186,386.75 = 57,729.30 : x
  2. Step 2: Convert to fraction form
    124,343.49/186,386.75 = 57,729.30/x
  3. Step 3: Cross multiply
    124,343.49x = 186,386.75 × 57,729.30
  4. Step 4: Simplify right side
    124,343.49x = 10,759,976,606.78
  5. Step 5: Solve for x
    x = 10,759,976,606.78/124,343.49
  6. Step 6: Final answer
    x = 86,534.30

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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.