Home / 162,323.67-243,534.57-78,059.91

Finding the Fourth Proportional to 162,323.67, 243,534.57 and 78,059.91

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Solution

The fourth proportional to 162,323.67, 243,534.57 and 78,059.91 is: 117,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,323.67 : 243,534.57 = 78,059.91 : x
  2. Step 2: Convert to fraction form
    162,323.67/243,534.57 = 78,059.91/x
  3. Step 3: Cross multiply
    162,323.67x = 243,534.57 × 78,059.91
  4. Step 4: Simplify right side
    162,323.67x = 19,010,286,616.09
  5. Step 5: Solve for x
    x = 19,010,286,616.09/162,323.67
  6. Step 6: Final answer
    x = 117,113.46

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1.5x scale

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.