Home / 117,987.20-162,810.24-70,242.56

Finding the Fourth Proportional to 117,987.20, 162,810.24 and 70,242.56

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Solution

The fourth proportional to 117,987.20, 162,810.24 and 70,242.56 is: 96,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,987.20 : 162,810.24 = 70,242.56 : x
  2. Step 2: Convert to fraction form
    117,987.20/162,810.24 = 70,242.56/x
  3. Step 3: Cross multiply
    117,987.20x = 162,810.24 × 70,242.56
  4. Step 4: Simplify right side
    117,987.20x = 11,436,208,051.81
  5. Step 5: Solve for x
    x = 11,436,208,051.81/117,987.20
  6. Step 6: Final answer
    x = 96,927.53

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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.