Home / 155,001.81-213,895.22-86,095.75

Finding the Fourth Proportional to 155,001.81, 213,895.22 and 86,095.75

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Solution

The fourth proportional to 155,001.81, 213,895.22 and 86,095.75 is: 118,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,001.81 : 213,895.22 = 86,095.75 : x
  2. Step 2: Convert to fraction form
    155,001.81/213,895.22 = 86,095.75/x
  3. Step 3: Cross multiply
    155,001.81x = 213,895.22 × 86,095.75
  4. Step 4: Simplify right side
    155,001.81x = 18,415,467,887.36
  5. Step 5: Solve for x
    x = 18,415,467,887.36/155,001.81
  6. Step 6: Final answer
    x = 118,808.08

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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.