Home / 149,008.40-205,581.26-84,470.71

Finding the Fourth Proportional to 149,008.40, 205,581.26 and 84,470.71

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Solution

The fourth proportional to 149,008.40, 205,581.26 and 84,470.71 is: 116,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,008.40 : 205,581.26 = 84,470.71 : x
  2. Step 2: Convert to fraction form
    149,008.40/205,581.26 = 84,470.71/x
  3. Step 3: Cross multiply
    149,008.40x = 205,581.26 × 84,470.71
  4. Step 4: Simplify right side
    149,008.40x = 17,365,594,994.89
  5. Step 5: Solve for x
    x = 17,365,594,994.89/149,008.40
  6. Step 6: Final answer
    x = 116,541.05

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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.