Home / 97,355.51-145,964.24-43,290.64

Finding the Fourth Proportional to 97,355.51, 145,964.24 and 43,290.64

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Solution

The fourth proportional to 97,355.51, 145,964.24 and 43,290.64 is: 64,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,355.51 : 145,964.24 = 43,290.64 : x
  2. Step 2: Convert to fraction form
    97,355.51/145,964.24 = 43,290.64/x
  3. Step 3: Cross multiply
    97,355.51x = 145,964.24 × 43,290.64
  4. Step 4: Simplify right side
    97,355.51x = 6,318,885,366.71
  5. Step 5: Solve for x
    x = 6,318,885,366.71/97,355.51
  6. Step 6: Final answer
    x = 64,905.27

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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.