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Finding the Fourth Proportional to 146,707.52, 220,073.04 and 46,881.80

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Solution

The fourth proportional to 146,707.52, 220,073.04 and 46,881.80 is: 70,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,707.52 : 220,073.04 = 46,881.80 : x
  2. Step 2: Convert to fraction form
    146,707.52/220,073.04 = 46,881.80/x
  3. Step 3: Cross multiply
    146,707.52x = 220,073.04 × 46,881.80
  4. Step 4: Simplify right side
    146,707.52x = 10,317,420,246.67
  5. Step 5: Solve for x
    x = 10,317,420,246.67/146,707.52
  6. Step 6: Final answer
    x = 70,326.46

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1.5x scale

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.