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Finding the Fourth Proportional to 98,253.58, 147,409.56 and 45,694.30

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Solution

The fourth proportional to 98,253.58, 147,409.56 and 45,694.30 is: 68,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,253.58 : 147,409.56 = 45,694.30 : x
  2. Step 2: Convert to fraction form
    98,253.58/147,409.56 = 45,694.30/x
  3. Step 3: Cross multiply
    98,253.58x = 147,409.56 × 45,694.30
  4. Step 4: Simplify right side
    98,253.58x = 6,735,776,657.51
  5. Step 5: Solve for x
    x = 6,735,776,657.51/98,253.58
  6. Step 6: Final answer
    x = 68,555.03

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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.