Home / 131,622.69-181,638.63-71,193.27

Finding the Fourth Proportional to 131,622.69, 181,638.63 and 71,193.27

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Solution

The fourth proportional to 131,622.69, 181,638.63 and 71,193.27 is: 98,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,622.69 : 181,638.63 = 71,193.27 : x
  2. Step 2: Convert to fraction form
    131,622.69/181,638.63 = 71,193.27/x
  3. Step 3: Cross multiply
    131,622.69x = 181,638.63 × 71,193.27
  4. Step 4: Simplify right side
    131,622.69x = 12,931,448,028.02
  5. Step 5: Solve for x
    x = 12,931,448,028.02/131,622.69
  6. Step 6: Final answer
    x = 98,246.34

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1.5x scale

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.