Home / 152,190.32-210,018.60-84,205.52

Finding the Fourth Proportional to 152,190.32, 210,018.60 and 84,205.52

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Solution

The fourth proportional to 152,190.32, 210,018.60 and 84,205.52 is: 116,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,190.32 : 210,018.60 = 84,205.52 : x
  2. Step 2: Convert to fraction form
    152,190.32/210,018.60 = 84,205.52/x
  3. Step 3: Cross multiply
    152,190.32x = 210,018.60 × 84,205.52
  4. Step 4: Simplify right side
    152,190.32x = 17,684,725,422.67
  5. Step 5: Solve for x
    x = 17,684,725,422.67/152,190.32
  6. Step 6: Final answer
    x = 116,201.38

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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.