Home / 87,126.24-130,689.36-21,462.24

Finding the Fourth Proportional to 87,126.24, 130,689.36 and 21,462.24

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Solution

The fourth proportional to 87,126.24, 130,689.36 and 21,462.24 is: 32,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,126.24 : 130,689.36 = 21,462.24 : x
  2. Step 2: Convert to fraction form
    87,126.24/130,689.36 = 21,462.24/x
  3. Step 3: Cross multiply
    87,126.24x = 130,689.36 × 21,462.24
  4. Step 4: Simplify right side
    87,126.24x = 2,804,886,409.77
  5. Step 5: Solve for x
    x = 2,804,886,409.77/87,126.24
  6. Step 6: Final answer
    x = 32,193.36

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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.