Home / 255,615.25-352,733-140,887.57

Finding the Fourth Proportional to 255,615.25, 352,733 and 140,887.57

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Solution

The fourth proportional to 255,615.25, 352,733 and 140,887.57 is: 194,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,615.25 : 352,733 = 140,887.57 : x
  2. Step 2: Convert to fraction form
    255,615.25/352,733 = 140,887.57/x
  3. Step 3: Cross multiply
    255,615.25x = 352,733 × 140,887.57
  4. Step 4: Simplify right side
    255,615.25x = 49,695,695,228.81
  5. Step 5: Solve for x
    x = 49,695,695,228.81/255,615.25
  6. Step 6: Final answer
    x = 194,416.00

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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.