Home / 94,698.18-142,019.01-78,016.86

Finding the Fourth Proportional to 94,698.18, 142,019.01 and 78,016.86

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Solution

The fourth proportional to 94,698.18, 142,019.01 and 78,016.86 is: 117,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,698.18 : 142,019.01 = 78,016.86 : x
  2. Step 2: Convert to fraction form
    94,698.18/142,019.01 = 78,016.86/x
  3. Step 3: Cross multiply
    94,698.18x = 142,019.01 × 78,016.86
  4. Step 4: Simplify right side
    94,698.18x = 11,079,877,220.51
  5. Step 5: Solve for x
    x = 11,079,877,220.51/94,698.18
  6. Step 6: Final answer
    x = 117,002.01

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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.