Home / 151,038.24-208,429.37-82,126.20

Finding the Fourth Proportional to 151,038.24, 208,429.37 and 82,126.20

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Solution

The fourth proportional to 151,038.24, 208,429.37 and 82,126.20 is: 113,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,038.24 : 208,429.37 = 82,126.20 : x
  2. Step 2: Convert to fraction form
    151,038.24/208,429.37 = 82,126.20/x
  3. Step 3: Cross multiply
    151,038.24x = 208,429.37 × 82,126.20
  4. Step 4: Simplify right side
    151,038.24x = 17,117,512,805.45
  5. Step 5: Solve for x
    x = 17,117,512,805.45/151,038.24
  6. Step 6: Final answer
    x = 113,332.31

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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.