Home / 253,868.49-350,342.35-139,146.23

Finding the Fourth Proportional to 253,868.49, 350,342.35 and 139,146.23

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Solution

The fourth proportional to 253,868.49, 350,342.35 and 139,146.23 is: 192,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,868.49 : 350,342.35 = 139,146.23 : x
  2. Step 2: Convert to fraction form
    253,868.49/350,342.35 = 139,146.23/x
  3. Step 3: Cross multiply
    253,868.49x = 350,342.35 × 139,146.23
  4. Step 4: Simplify right side
    253,868.49x = 48,748,817,739.83
  5. Step 5: Solve for x
    x = 48,748,817,739.83/253,868.49
  6. Step 6: Final answer
    x = 192,023.90

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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.