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Finding the Fourth Proportional to 97,888.92, 146,844.04 and 31,313.40

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Solution

The fourth proportional to 97,888.92, 146,844.04 and 31,313.40 is: 46,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,888.92 : 146,844.04 = 31,313.40 : x
  2. Step 2: Convert to fraction form
    97,888.92/146,844.04 = 31,313.40/x
  3. Step 3: Cross multiply
    97,888.92x = 146,844.04 × 31,313.40
  4. Step 4: Simplify right side
    97,888.92x = 4,598,186,162.14
  5. Step 5: Solve for x
    x = 4,598,186,162.14/97,888.92
  6. Step 6: Final answer
    x = 46,973.51

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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.