Home / 86,837.79-130,252.71-36,215.91

Finding the Fourth Proportional to 86,837.79, 130,252.71 and 36,215.91

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Solution

The fourth proportional to 86,837.79, 130,252.71 and 36,215.91 is: 54,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,837.79 : 130,252.71 = 36,215.91 : x
  2. Step 2: Convert to fraction form
    86,837.79/130,252.71 = 36,215.91/x
  3. Step 3: Cross multiply
    86,837.79x = 130,252.71 × 36,215.91
  4. Step 4: Simplify right side
    86,837.79x = 4,717,220,422.62
  5. Step 5: Solve for x
    x = 4,717,220,422.62/86,837.79
  6. Step 6: Final answer
    x = 54,322.21

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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.