Home / 172,800.02-238,475.01-130,283.54

Finding the Fourth Proportional to 172,800.02, 238,475.01 and 130,283.54

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Solution

The fourth proportional to 172,800.02, 238,475.01 and 130,283.54 is: 179,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,800.02 : 238,475.01 = 130,283.54 : x
  2. Step 2: Convert to fraction form
    172,800.02/238,475.01 = 130,283.54/x
  3. Step 3: Cross multiply
    172,800.02x = 238,475.01 × 130,283.54
  4. Step 4: Simplify right side
    172,800.02x = 31,069,368,504.34
  5. Step 5: Solve for x
    x = 31,069,368,504.34/172,800.02
  6. Step 6: Final answer
    x = 179,799.57

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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.