Home / 152,293.57-210,187.12-87,750.44

Finding the Fourth Proportional to 152,293.57, 210,187.12 and 87,750.44

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Solution

The fourth proportional to 152,293.57, 210,187.12 and 87,750.44 is: 121,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,293.57 : 210,187.12 = 87,750.44 : x
  2. Step 2: Convert to fraction form
    152,293.57/210,187.12 = 87,750.44/x
  3. Step 3: Cross multiply
    152,293.57x = 210,187.12 × 87,750.44
  4. Step 4: Simplify right side
    152,293.57x = 18,444,012,262.33
  5. Step 5: Solve for x
    x = 18,444,012,262.33/152,293.57
  6. Step 6: Final answer
    x = 121,108.28

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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.