Home / 117,782.16-162,599.60-90,864.24

Finding the Fourth Proportional to 117,782.16, 162,599.60 and 90,864.24

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Solution

The fourth proportional to 117,782.16, 162,599.60 and 90,864.24 is: 125,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,782.16 : 162,599.60 = 90,864.24 : x
  2. Step 2: Convert to fraction form
    117,782.16/162,599.60 = 90,864.24/x
  3. Step 3: Cross multiply
    117,782.16x = 162,599.60 × 90,864.24
  4. Step 4: Simplify right side
    117,782.16x = 14,774,489,078.30
  5. Step 5: Solve for x
    x = 14,774,489,078.30/117,782.16
  6. Step 6: Final answer
    x = 125,439.11

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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.