Home / 124,106.44-171,270.48-76,387.72

Finding the Fourth Proportional to 124,106.44, 171,270.48 and 76,387.72

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Solution

The fourth proportional to 124,106.44, 171,270.48 and 76,387.72 is: 105,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,106.44 : 171,270.48 = 76,387.72 : x
  2. Step 2: Convert to fraction form
    124,106.44/171,270.48 = 76,387.72/x
  3. Step 3: Cross multiply
    124,106.44x = 171,270.48 × 76,387.72
  4. Step 4: Simplify right side
    124,106.44x = 13,082,961,470.51
  5. Step 5: Solve for x
    x = 13,082,961,470.51/124,106.44
  6. Step 6: Final answer
    x = 105,417.26

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1.5x scale

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.