Home / 87,094.24-130,641.36-21,430.24

Finding the Fourth Proportional to 87,094.24, 130,641.36 and 21,430.24

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Solution

The fourth proportional to 87,094.24, 130,641.36 and 21,430.24 is: 32,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,094.24 : 130,641.36 = 21,430.24 : x
  2. Step 2: Convert to fraction form
    87,094.24/130,641.36 = 21,430.24/x
  3. Step 3: Cross multiply
    87,094.24x = 130,641.36 × 21,430.24
  4. Step 4: Simplify right side
    87,094.24x = 2,799,675,698.73
  5. Step 5: Solve for x
    x = 2,799,675,698.73/87,094.24
  6. Step 6: Final answer
    x = 32,145.36

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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.