Home / 123,368.08-185,109.40-39,141.52

Finding the Fourth Proportional to 123,368.08, 185,109.40 and 39,141.52

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Solution

The fourth proportional to 123,368.08, 185,109.40 and 39,141.52 is: 58,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,368.08 : 185,109.40 = 39,141.52 : x
  2. Step 2: Convert to fraction form
    123,368.08/185,109.40 = 39,141.52/x
  3. Step 3: Cross multiply
    123,368.08x = 185,109.40 × 39,141.52
  4. Step 4: Simplify right side
    123,368.08x = 7,245,463,282.29
  5. Step 5: Solve for x
    x = 7,245,463,282.29/123,368.08
  6. Step 6: Final answer
    x = 58,730.45

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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.