Home / 199,330.02-275,142.09-118,782.81

Finding the Fourth Proportional to 199,330.02, 275,142.09 and 118,782.81

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Solution

The fourth proportional to 199,330.02, 275,142.09 and 118,782.81 is: 163,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,330.02 : 275,142.09 = 118,782.81 : x
  2. Step 2: Convert to fraction form
    199,330.02/275,142.09 = 118,782.81/x
  3. Step 3: Cross multiply
    199,330.02x = 275,142.09 × 118,782.81
  4. Step 4: Simplify right side
    199,330.02x = 32,682,150,599.47
  5. Step 5: Solve for x
    x = 32,682,150,599.47/199,330.02
  6. Step 6: Final answer
    x = 163,960.00

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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.