Home / 158,728.02-219,050.94-87,110.58

Finding the Fourth Proportional to 158,728.02, 219,050.94 and 87,110.58

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Solution

The fourth proportional to 158,728.02, 219,050.94 and 87,110.58 is: 120,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,728.02 : 219,050.94 = 87,110.58 : x
  2. Step 2: Convert to fraction form
    158,728.02/219,050.94 = 87,110.58/x
  3. Step 3: Cross multiply
    158,728.02x = 219,050.94 × 87,110.58
  4. Step 4: Simplify right side
    158,728.02x = 19,081,654,432.95
  5. Step 5: Solve for x
    x = 19,081,654,432.95/158,728.02
  6. Step 6: Final answer
    x = 120,216.04

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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.