Home / 112,246.72-154,904.09-63,847.40

Finding the Fourth Proportional to 112,246.72, 154,904.09 and 63,847.40

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Solution

The fourth proportional to 112,246.72, 154,904.09 and 63,847.40 is: 88,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,246.72 : 154,904.09 = 63,847.40 : x
  2. Step 2: Convert to fraction form
    112,246.72/154,904.09 = 63,847.40/x
  3. Step 3: Cross multiply
    112,246.72x = 154,904.09 × 63,847.40
  4. Step 4: Simplify right side
    112,246.72x = 9,890,223,395.87
  5. Step 5: Solve for x
    x = 9,890,223,395.87/112,246.72
  6. Step 6: Final answer
    x = 88,111.47

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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.