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Finding the Fourth Proportional to 98,330.94, 147,448.62 and 35,149.73

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Solution

The fourth proportional to 98,330.94, 147,448.62 and 35,149.73 is: 52,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,330.94 : 147,448.62 = 35,149.73 : x
  2. Step 2: Convert to fraction form
    98,330.94/147,448.62 = 35,149.73/x
  3. Step 3: Cross multiply
    98,330.94x = 147,448.62 × 35,149.73
  4. Step 4: Simplify right side
    98,330.94x = 5,182,778,444.63
  5. Step 5: Solve for x
    x = 5,182,778,444.63/98,330.94
  6. Step 6: Final answer
    x = 52,707.50

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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.