Home / 117,554.87-162,275.36-79,366.13

Finding the Fourth Proportional to 117,554.87, 162,275.36 and 79,366.13

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Solution

The fourth proportional to 117,554.87, 162,275.36 and 79,366.13 is: 109,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.87 : 162,275.36 = 79,366.13 : x
  2. Step 2: Convert to fraction form
    117,554.87/162,275.36 = 79,366.13/x
  3. Step 3: Cross multiply
    117,554.87x = 162,275.36 × 79,366.13
  4. Step 4: Simplify right side
    117,554.87x = 12,879,167,275.93
  5. Step 5: Solve for x
    x = 12,879,167,275.93/117,554.87
  6. Step 6: Final answer
    x = 109,558.77

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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.