Home / 97,347.78-146,021.67-38,211.30

Finding the Fourth Proportional to 97,347.78, 146,021.67 and 38,211.30

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Solution

The fourth proportional to 97,347.78, 146,021.67 and 38,211.30 is: 57,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,347.78 : 146,021.67 = 38,211.30 : x
  2. Step 2: Convert to fraction form
    97,347.78/146,021.67 = 38,211.30/x
  3. Step 3: Cross multiply
    97,347.78x = 146,021.67 × 38,211.30
  4. Step 4: Simplify right side
    97,347.78x = 5,579,677,838.87
  5. Step 5: Solve for x
    x = 5,579,677,838.87/97,347.78
  6. Step 6: Final answer
    x = 57,316.95

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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.