Home / 199,547.60-299,321.40-164,118.20

Finding the Fourth Proportional to 199,547.60, 299,321.40 and 164,118.20

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Solution

The fourth proportional to 199,547.60, 299,321.40 and 164,118.20 is: 246,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,547.60 : 299,321.40 = 164,118.20 : x
  2. Step 2: Convert to fraction form
    199,547.60/299,321.40 = 164,118.20/x
  3. Step 3: Cross multiply
    199,547.60x = 299,321.40 × 164,118.20
  4. Step 4: Simplify right side
    199,547.60x = 49,124,089,389.48
  5. Step 5: Solve for x
    x = 49,124,089,389.48/199,547.60
  6. Step 6: Final answer
    x = 246,177.30

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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.