Home / 86,922.18-130,386.74-26,956.88

Finding the Fourth Proportional to 86,922.18, 130,386.74 and 26,956.88

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Solution

The fourth proportional to 86,922.18, 130,386.74 and 26,956.88 is: 40,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.18 : 130,386.74 = 26,956.88 : x
  2. Step 2: Convert to fraction form
    86,922.18/130,386.74 = 26,956.88/x
  3. Step 3: Cross multiply
    86,922.18x = 130,386.74 × 26,956.88
  4. Step 4: Simplify right side
    86,922.18x = 3,514,819,703.77
  5. Step 5: Solve for x
    x = 3,514,819,703.77/86,922.18
  6. Step 6: Final answer
    x = 40,436.40

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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.