Home / 87,213.07-130,801.56-39,814.93

Finding the Fourth Proportional to 87,213.07, 130,801.56 and 39,814.93

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Solution

The fourth proportional to 87,213.07, 130,801.56 and 39,814.93 is: 59,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,213.07 : 130,801.56 = 39,814.93 : x
  2. Step 2: Convert to fraction form
    87,213.07/130,801.56 = 39,814.93/x
  3. Step 3: Cross multiply
    87,213.07x = 130,801.56 × 39,814.93
  4. Step 4: Simplify right side
    87,213.07x = 5,207,854,955.29
  5. Step 5: Solve for x
    x = 5,207,854,955.29/87,213.07
  6. Step 6: Final answer
    x = 59,714.16

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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.