Home / 124,918.04-172,386.96-68,329.28

Finding the Fourth Proportional to 124,918.04, 172,386.96 and 68,329.28

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Solution

The fourth proportional to 124,918.04, 172,386.96 and 68,329.28 is: 94,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,918.04 : 172,386.96 = 68,329.28 : x
  2. Step 2: Convert to fraction form
    124,918.04/172,386.96 = 68,329.28/x
  3. Step 3: Cross multiply
    124,918.04x = 172,386.96 × 68,329.28
  4. Step 4: Simplify right side
    124,918.04x = 11,779,076,858.19
  5. Step 5: Solve for x
    x = 11,779,076,858.19/124,918.04
  6. Step 6: Final answer
    x = 94,294.44

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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.