Home / 97,106.30-145,659.45-57,643.10

Finding the Fourth Proportional to 97,106.30, 145,659.45 and 57,643.10

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Solution

The fourth proportional to 97,106.30, 145,659.45 and 57,643.10 is: 86,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,106.30 : 145,659.45 = 57,643.10 : x
  2. Step 2: Convert to fraction form
    97,106.30/145,659.45 = 57,643.10/x
  3. Step 3: Cross multiply
    97,106.30x = 145,659.45 × 57,643.10
  4. Step 4: Simplify right side
    97,106.30x = 8,396,262,242.30
  5. Step 5: Solve for x
    x = 8,396,262,242.30/97,106.30
  6. Step 6: Final answer
    x = 86,464.65

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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.