Home / 91,106.08-136,659.10-48,928.12

Finding the Fourth Proportional to 91,106.08, 136,659.10 and 48,928.12

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Solution

The fourth proportional to 91,106.08, 136,659.10 and 48,928.12 is: 73,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,106.08 : 136,659.10 = 48,928.12 : x
  2. Step 2: Convert to fraction form
    91,106.08/136,659.10 = 48,928.12/x
  3. Step 3: Cross multiply
    91,106.08x = 136,659.10 × 48,928.12
  4. Step 4: Simplify right side
    91,106.08x = 6,686,472,471.66
  5. Step 5: Solve for x
    x = 6,686,472,471.66/91,106.08
  6. Step 6: Final answer
    x = 73,392.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.