Home / 163,025.37-224,962.62-91,391.81

Finding the Fourth Proportional to 163,025.37, 224,962.62 and 91,391.81

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Solution

The fourth proportional to 163,025.37, 224,962.62 and 91,391.81 is: 126,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,025.37 : 224,962.62 = 91,391.81 : x
  2. Step 2: Convert to fraction form
    163,025.37/224,962.62 = 91,391.81/x
  3. Step 3: Cross multiply
    163,025.37x = 224,962.62 × 91,391.81
  4. Step 4: Simplify right side
    163,025.37x = 20,559,739,899.33
  5. Step 5: Solve for x
    x = 20,559,739,899.33/163,025.37
  6. Step 6: Final answer
    x = 126,113.74

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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.