Home / 144,015.24-215,959.50-65,126.28

Finding the Fourth Proportional to 144,015.24, 215,959.50 and 65,126.28

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Solution

The fourth proportional to 144,015.24, 215,959.50 and 65,126.28 is: 97,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,015.24 : 215,959.50 = 65,126.28 : x
  2. Step 2: Convert to fraction form
    144,015.24/215,959.50 = 65,126.28/x
  3. Step 3: Cross multiply
    144,015.24x = 215,959.50 × 65,126.28
  4. Step 4: Simplify right side
    144,015.24x = 14,064,638,865.66
  5. Step 5: Solve for x
    x = 14,064,638,865.66/144,015.24
  6. Step 6: Final answer
    x = 97,660.77

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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.