Home / 115,420.84-173,122.60-40,541.64

Finding the Fourth Proportional to 115,420.84, 173,122.60 and 40,541.64

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Solution

The fourth proportional to 115,420.84, 173,122.60 and 40,541.64 is: 60,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,420.84 : 173,122.60 = 40,541.64 : x
  2. Step 2: Convert to fraction form
    115,420.84/173,122.60 = 40,541.64/x
  3. Step 3: Cross multiply
    115,420.84x = 173,122.60 × 40,541.64
  4. Step 4: Simplify right side
    115,420.84x = 7,018,674,125.06
  5. Step 5: Solve for x
    x = 7,018,674,125.06/115,420.84
  6. Step 6: Final answer
    x = 60,809.42

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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.