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Finding the Fourth Proportional to 97,612.70, 146,460.96 and 31,058.24

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Solution

The fourth proportional to 97,612.70, 146,460.96 and 31,058.24 is: 46,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,612.70 : 146,460.96 = 31,058.24 : x
  2. Step 2: Convert to fraction form
    97,612.70/146,460.96 = 31,058.24/x
  3. Step 3: Cross multiply
    97,612.70x = 146,460.96 × 31,058.24
  4. Step 4: Simplify right side
    97,612.70x = 4,548,818,914.01
  5. Step 5: Solve for x
    x = 4,548,818,914.01/97,612.70
  6. Step 6: Final answer
    x = 46,600.69

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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.