Home / 94,315.86-130,168.62-86,343.84

Finding the Fourth Proportional to 94,315.86, 130,168.62 and 86,343.84

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Solution

The fourth proportional to 94,315.86, 130,168.62 and 86,343.84 is: 119,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,315.86 : 130,168.62 = 86,343.84 : x
  2. Step 2: Convert to fraction form
    94,315.86/130,168.62 = 86,343.84/x
  3. Step 3: Cross multiply
    94,315.86x = 130,168.62 × 86,343.84
  4. Step 4: Simplify right side
    94,315.86x = 11,239,258,498.30
  5. Step 5: Solve for x
    x = 11,239,258,498.30/94,315.86
  6. Step 6: Final answer
    x = 119,166.16

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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.