Home / 248,000.02-342,266.78-140,558.51

Finding the Fourth Proportional to 248,000.02, 342,266.78 and 140,558.51

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Solution

The fourth proportional to 248,000.02, 342,266.78 and 140,558.51 is: 193,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,000.02 : 342,266.78 = 140,558.51 : x
  2. Step 2: Convert to fraction form
    248,000.02/342,266.78 = 140,558.51/x
  3. Step 3: Cross multiply
    248,000.02x = 342,266.78 × 140,558.51
  4. Step 4: Simplify right side
    248,000.02x = 48,108,508,619.30
  5. Step 5: Solve for x
    x = 48,108,508,619.30/248,000.02
  6. Step 6: Final answer
    x = 193,985.91

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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.