Home / 187,117.44-280,746-112,291.26

Finding the Fourth Proportional to 187,117.44, 280,746 and 112,291.26

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Solution

The fourth proportional to 187,117.44, 280,746 and 112,291.26 is: 168,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,117.44 : 280,746 = 112,291.26 : x
  2. Step 2: Convert to fraction form
    187,117.44/280,746 = 112,291.26/x
  3. Step 3: Cross multiply
    187,117.44x = 280,746 × 112,291.26
  4. Step 4: Simplify right side
    187,117.44x = 31,525,322,079.96
  5. Step 5: Solve for x
    x = 31,525,322,079.96/187,117.44
  6. Step 6: Final answer
    x = 168,478.80

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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.