Home / 154,045.05-212,468.45-97,401.75

Finding the Fourth Proportional to 154,045.05, 212,468.45 and 97,401.75

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Solution

The fourth proportional to 154,045.05, 212,468.45 and 97,401.75 is: 134,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,045.05 : 212,468.45 = 97,401.75 : x
  2. Step 2: Convert to fraction form
    154,045.05/212,468.45 = 97,401.75/x
  3. Step 3: Cross multiply
    154,045.05x = 212,468.45 × 97,401.75
  4. Step 4: Simplify right side
    154,045.05x = 20,694,798,362.78
  5. Step 5: Solve for x
    x = 20,694,798,362.78/154,045.05
  6. Step 6: Final answer
    x = 134,342.51

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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.