Home / 97,681.56-146,423.58-38,494.20

Finding the Fourth Proportional to 97,681.56, 146,423.58 and 38,494.20

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Solution

The fourth proportional to 97,681.56, 146,423.58 and 38,494.20 is: 57,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,681.56 : 146,423.58 = 38,494.20 : x
  2. Step 2: Convert to fraction form
    97,681.56/146,423.58 = 38,494.20/x
  3. Step 3: Cross multiply
    97,681.56x = 146,423.58 × 38,494.20
  4. Step 4: Simplify right side
    97,681.56x = 5,636,458,573.24
  5. Step 5: Solve for x
    x = 5,636,458,573.24/97,681.56
  6. Step 6: Final answer
    x = 57,702.38

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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.