Home / 117,006.55-175,509.83-112,085.80

Finding the Fourth Proportional to 117,006.55, 175,509.83 and 112,085.80

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Solution

The fourth proportional to 117,006.55, 175,509.83 and 112,085.80 is: 168,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006.55 : 175,509.83 = 112,085.80 : x
  2. Step 2: Convert to fraction form
    117,006.55/175,509.83 = 112,085.80/x
  3. Step 3: Cross multiply
    117,006.55x = 175,509.83 × 112,085.80
  4. Step 4: Simplify right side
    117,006.55x = 19,672,159,703.41
  5. Step 5: Solve for x
    x = 19,672,159,703.41/117,006.55
  6. Step 6: Final answer
    x = 168,128.70

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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.