Home / 125,012.07-172,516.66-68,423.44

Finding the Fourth Proportional to 125,012.07, 172,516.66 and 68,423.44

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Solution

The fourth proportional to 125,012.07, 172,516.66 and 68,423.44 is: 94,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,012.07 : 172,516.66 = 68,423.44 : x
  2. Step 2: Convert to fraction form
    125,012.07/172,516.66 = 68,423.44/x
  3. Step 3: Cross multiply
    125,012.07x = 172,516.66 × 68,423.44
  4. Step 4: Simplify right side
    125,012.07x = 11,804,183,334.51
  5. Step 5: Solve for x
    x = 11,804,183,334.51/125,012.07
  6. Step 6: Final answer
    x = 94,424.35

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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.