Home / 162,810.86-244,373.93-78,630.19

Finding the Fourth Proportional to 162,810.86, 244,373.93 and 78,630.19

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Solution

The fourth proportional to 162,810.86, 244,373.93 and 78,630.19 is: 118,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,810.86 : 244,373.93 = 78,630.19 : x
  2. Step 2: Convert to fraction form
    162,810.86/244,373.93 = 78,630.19/x
  3. Step 3: Cross multiply
    162,810.86x = 244,373.93 × 78,630.19
  4. Step 4: Simplify right side
    162,810.86x = 19,215,168,743.52
  5. Step 5: Solve for x
    x = 19,215,168,743.52/162,810.86
  6. Step 6: Final answer
    x = 118,021.42

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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.