Home / 124,762.14-172,176-68,177.16

Finding the Fourth Proportional to 124,762.14, 172,176 and 68,177.16

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Solution

The fourth proportional to 124,762.14, 172,176 and 68,177.16 is: 94,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762.14 : 172,176 = 68,177.16 : x
  2. Step 2: Convert to fraction form
    124,762.14/172,176 = 68,177.16/x
  3. Step 3: Cross multiply
    124,762.14x = 172,176 × 68,177.16
  4. Step 4: Simplify right side
    124,762.14x = 11,738,470,700.16
  5. Step 5: Solve for x
    x = 11,738,470,700.16/124,762.14
  6. Step 6: Final answer
    x = 94,086.80

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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.