Home / 199,947.65-299,429.40-133,025.45

Finding the Fourth Proportional to 199,947.65, 299,429.40 and 133,025.45

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Solution

The fourth proportional to 199,947.65, 299,429.40 and 133,025.45 is: 199,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,947.65 : 299,429.40 = 133,025.45 : x
  2. Step 2: Convert to fraction form
    199,947.65/299,429.40 = 133,025.45/x
  3. Step 3: Cross multiply
    199,947.65x = 299,429.40 × 133,025.45
  4. Step 4: Simplify right side
    199,947.65x = 39,831,730,678.23
  5. Step 5: Solve for x
    x = 39,831,730,678.23/199,947.65
  6. Step 6: Final answer
    x = 199,210.80

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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.