Home / 158,772.32-219,104.96-87,153.60

Finding the Fourth Proportional to 158,772.32, 219,104.96 and 87,153.60

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Solution

The fourth proportional to 158,772.32, 219,104.96 and 87,153.60 is: 120,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,772.32 : 219,104.96 = 87,153.60 : x
  2. Step 2: Convert to fraction form
    158,772.32/219,104.96 = 87,153.60/x
  3. Step 3: Cross multiply
    158,772.32x = 219,104.96 × 87,153.60
  4. Step 4: Simplify right side
    158,772.32x = 19,095,786,041.86
  5. Step 5: Solve for x
    x = 19,095,786,041.86/158,772.32
  6. Step 6: Final answer
    x = 120,271.51

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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.