Home / 226,210.06-312,099.86-130,681.90

Finding the Fourth Proportional to 226,210.06, 312,099.86 and 130,681.90

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Solution

The fourth proportional to 226,210.06, 312,099.86 and 130,681.90 is: 180,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,210.06 : 312,099.86 = 130,681.90 : x
  2. Step 2: Convert to fraction form
    226,210.06/312,099.86 = 130,681.90/x
  3. Step 3: Cross multiply
    226,210.06x = 312,099.86 × 130,681.90
  4. Step 4: Simplify right side
    226,210.06x = 40,785,802,694.53
  5. Step 5: Solve for x
    x = 40,785,802,694.53/226,210.06
  6. Step 6: Final answer
    x = 180,300.57

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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.