Home / 126,935.04-190,442.36-76,389.24

Finding the Fourth Proportional to 126,935.04, 190,442.36 and 76,389.24

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Solution

The fourth proportional to 126,935.04, 190,442.36 and 76,389.24 is: 114,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935.04 : 190,442.36 = 76,389.24 : x
  2. Step 2: Convert to fraction form
    126,935.04/190,442.36 = 76,389.24/x
  3. Step 3: Cross multiply
    126,935.04x = 190,442.36 × 76,389.24
  4. Step 4: Simplify right side
    126,935.04x = 14,547,747,144.21
  5. Step 5: Solve for x
    x = 14,547,747,144.21/126,935.04
  6. Step 6: Final answer
    x = 114,607.81

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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.