Home / 98,340.71-147,507.26-28,220.02

Finding the Fourth Proportional to 98,340.71, 147,507.26 and 28,220.02

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Solution

The fourth proportional to 98,340.71, 147,507.26 and 28,220.02 is: 42,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,340.71 : 147,507.26 = 28,220.02 : x
  2. Step 2: Convert to fraction form
    98,340.71/147,507.26 = 28,220.02/x
  3. Step 3: Cross multiply
    98,340.71x = 147,507.26 × 28,220.02
  4. Step 4: Simplify right side
    98,340.71x = 4,162,657,317.48
  5. Step 5: Solve for x
    x = 4,162,657,317.48/98,340.71
  6. Step 6: Final answer
    x = 42,328.94

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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.