Home / 245,734.07-339,123.93-138,311.06

Finding the Fourth Proportional to 245,734.07, 339,123.93 and 138,311.06

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Solution

The fourth proportional to 245,734.07, 339,123.93 and 138,311.06 is: 190,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,734.07 : 339,123.93 = 138,311.06 : x
  2. Step 2: Convert to fraction form
    245,734.07/339,123.93 = 138,311.06/x
  3. Step 3: Cross multiply
    245,734.07x = 339,123.93 × 138,311.06
  4. Step 4: Simplify right side
    245,734.07x = 46,904,590,229.67
  5. Step 5: Solve for x
    x = 46,904,590,229.67/245,734.07
  6. Step 6: Final answer
    x = 190,875.41

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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.