Home / 154,653.24-213,415.02-87,585.24

Finding the Fourth Proportional to 154,653.24, 213,415.02 and 87,585.24

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Solution

The fourth proportional to 154,653.24, 213,415.02 and 87,585.24 is: 120,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,653.24 : 213,415.02 = 87,585.24 : x
  2. Step 2: Convert to fraction form
    154,653.24/213,415.02 = 87,585.24/x
  3. Step 3: Cross multiply
    154,653.24x = 213,415.02 × 87,585.24
  4. Step 4: Simplify right side
    154,653.24x = 18,692,005,746.30
  5. Step 5: Solve for x
    x = 18,692,005,746.30/154,653.24
  6. Step 6: Final answer
    x = 120,863.98

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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.