Home / 182,521.51-273,852.38-128,538.01

Finding the Fourth Proportional to 182,521.51, 273,852.38 and 128,538.01

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Solution

The fourth proportional to 182,521.51, 273,852.38 and 128,538.01 is: 192,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,521.51 : 273,852.38 = 128,538.01 : x
  2. Step 2: Convert to fraction form
    182,521.51/273,852.38 = 128,538.01/x
  3. Step 3: Cross multiply
    182,521.51x = 273,852.38 × 128,538.01
  4. Step 4: Simplify right side
    182,521.51x = 35,200,437,947.01
  5. Step 5: Solve for x
    x = 35,200,437,947.01/182,521.51
  6. Step 6: Final answer
    x = 192,856.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.