Home / 88,912.65-133,462.98-86,904.75

Finding the Fourth Proportional to 88,912.65, 133,462.98 and 86,904.75

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Solution

The fourth proportional to 88,912.65, 133,462.98 and 86,904.75 is: 130,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,912.65 : 133,462.98 = 86,904.75 : x
  2. Step 2: Convert to fraction form
    88,912.65/133,462.98 = 86,904.75/x
  3. Step 3: Cross multiply
    88,912.65x = 133,462.98 × 86,904.75
  4. Step 4: Simplify right side
    88,912.65x = 11,598,566,911.16
  5. Step 5: Solve for x
    x = 11,598,566,911.16/88,912.65
  6. Step 6: Final answer
    x = 130,449.01

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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.