Home / 117,403.53-162,031.50-77,150.58

Finding the Fourth Proportional to 117,403.53, 162,031.50 and 77,150.58

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Solution

The fourth proportional to 117,403.53, 162,031.50 and 77,150.58 is: 106,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,403.53 : 162,031.50 = 77,150.58 : x
  2. Step 2: Convert to fraction form
    117,403.53/162,031.50 = 77,150.58/x
  3. Step 3: Cross multiply
    117,403.53x = 162,031.50 × 77,150.58
  4. Step 4: Simplify right side
    117,403.53x = 12,500,824,203.27
  5. Step 5: Solve for x
    x = 12,500,824,203.27/117,403.53
  6. Step 6: Final answer
    x = 106,477.41

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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.