Home / 83,415.24-125,139.60-36,668.16

Finding the Fourth Proportional to 83,415.24, 125,139.60 and 36,668.16

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Solution

The fourth proportional to 83,415.24, 125,139.60 and 36,668.16 is: 55,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,415.24 : 125,139.60 = 36,668.16 : x
  2. Step 2: Convert to fraction form
    83,415.24/125,139.60 = 36,668.16/x
  3. Step 3: Cross multiply
    83,415.24x = 125,139.60 × 36,668.16
  4. Step 4: Simplify right side
    83,415.24x = 4,588,638,875.14
  5. Step 5: Solve for x
    x = 4,588,638,875.14/83,415.24
  6. Step 6: Final answer
    x = 55,009.60

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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.