Home / 131,054.79-180,854.67-74,466.17

Finding the Fourth Proportional to 131,054.79, 180,854.67 and 74,466.17

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Solution

The fourth proportional to 131,054.79, 180,854.67 and 74,466.17 is: 102,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,054.79 : 180,854.67 = 74,466.17 : x
  2. Step 2: Convert to fraction form
    131,054.79/180,854.67 = 74,466.17/x
  3. Step 3: Cross multiply
    131,054.79x = 180,854.67 × 74,466.17
  4. Step 4: Simplify right side
    131,054.79x = 13,467,554,601.51
  5. Step 5: Solve for x
    x = 13,467,554,601.51/131,054.79
  6. Step 6: Final answer
    x = 102,762.78

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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.