Home / 199,557.72-275,424.80-118,990.20

Finding the Fourth Proportional to 199,557.72, 275,424.80 and 118,990.20

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Solution

The fourth proportional to 199,557.72, 275,424.80 and 118,990.20 is: 164,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,557.72 : 275,424.80 = 118,990.20 : x
  2. Step 2: Convert to fraction form
    199,557.72/275,424.80 = 118,990.20/x
  3. Step 3: Cross multiply
    199,557.72x = 275,424.80 × 118,990.20
  4. Step 4: Simplify right side
    199,557.72x = 32,772,852,036.96
  5. Step 5: Solve for x
    x = 32,772,852,036.96/199,557.72
  6. Step 6: Final answer
    x = 164,227.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.