Home / 130,210.94-179,698.07-72,846.83

Finding the Fourth Proportional to 130,210.94, 179,698.07 and 72,846.83

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Solution

The fourth proportional to 130,210.94, 179,698.07 and 72,846.83 is: 100,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,210.94 : 179,698.07 = 72,846.83 : x
  2. Step 2: Convert to fraction form
    130,210.94/179,698.07 = 72,846.83/x
  3. Step 3: Cross multiply
    130,210.94x = 179,698.07 × 72,846.83
  4. Step 4: Simplify right side
    130,210.94x = 13,090,435,387.98
  5. Step 5: Solve for x
    x = 13,090,435,387.98/130,210.94
  6. Step 6: Final answer
    x = 100,532.53

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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.