Home / 188,623.66-260,306.15-103,746.22

Finding the Fourth Proportional to 188,623.66, 260,306.15 and 103,746.22

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Solution

The fourth proportional to 188,623.66, 260,306.15 and 103,746.22 is: 143,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,623.66 : 260,306.15 = 103,746.22 : x
  2. Step 2: Convert to fraction form
    188,623.66/260,306.15 = 103,746.22/x
  3. Step 3: Cross multiply
    188,623.66x = 260,306.15 × 103,746.22
  4. Step 4: Simplify right side
    188,623.66x = 27,005,779,105.25
  5. Step 5: Solve for x
    x = 27,005,779,105.25/188,623.66
  6. Step 6: Final answer
    x = 143,172.81

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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.