Home / 154,425.81-212,997.58-94,000.31

Finding the Fourth Proportional to 154,425.81, 212,997.58 and 94,000.31

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Solution

The fourth proportional to 154,425.81, 212,997.58 and 94,000.31 is: 129,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425.81 : 212,997.58 = 94,000.31 : x
  2. Step 2: Convert to fraction form
    154,425.81/212,997.58 = 94,000.31/x
  3. Step 3: Cross multiply
    154,425.81x = 212,997.58 × 94,000.31
  4. Step 4: Simplify right side
    154,425.81x = 20,021,838,549.25
  5. Step 5: Solve for x
    x = 20,021,838,549.25/154,425.81
  6. Step 6: Final answer
    x = 129,653.45

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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.