Home / 155,345.22-214,289.01-93,239.82

Finding the Fourth Proportional to 155,345.22, 214,289.01 and 93,239.82

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Solution

The fourth proportional to 155,345.22, 214,289.01 and 93,239.82 is: 128,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,345.22 : 214,289.01 = 93,239.82 : x
  2. Step 2: Convert to fraction form
    155,345.22/214,289.01 = 93,239.82/x
  3. Step 3: Cross multiply
    155,345.22x = 214,289.01 × 93,239.82
  4. Step 4: Simplify right side
    155,345.22x = 19,980,268,720.38
  5. Step 5: Solve for x
    x = 19,980,268,720.38/155,345.22
  6. Step 6: Final answer
    x = 128,618.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.