Home / 248,134.19-342,503.10-140,775.57

Finding the Fourth Proportional to 248,134.19, 342,503.10 and 140,775.57

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Solution

The fourth proportional to 248,134.19, 342,503.10 and 140,775.57 is: 194,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,134.19 : 342,503.10 = 140,775.57 : x
  2. Step 2: Convert to fraction form
    248,134.19/342,503.10 = 140,775.57/x
  3. Step 3: Cross multiply
    248,134.19x = 342,503.10 × 140,775.57
  4. Step 4: Simplify right side
    248,134.19x = 48,216,069,129.27
  5. Step 5: Solve for x
    x = 48,216,069,129.27/248,134.19
  6. Step 6: Final answer
    x = 194,314.50

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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.