Home / 98,528.66-147,814.55-31,975.48

Finding the Fourth Proportional to 98,528.66, 147,814.55 and 31,975.48

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Solution

The fourth proportional to 98,528.66, 147,814.55 and 31,975.48 is: 47,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,528.66 : 147,814.55 = 31,975.48 : x
  2. Step 2: Convert to fraction form
    98,528.66/147,814.55 = 31,975.48/x
  3. Step 3: Cross multiply
    98,528.66x = 147,814.55 × 31,975.48
  4. Step 4: Simplify right side
    98,528.66x = 4,726,441,187.23
  5. Step 5: Solve for x
    x = 4,726,441,187.23/98,528.66
  6. Step 6: Final answer
    x = 47,970.22

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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.