Home / 89,421.12-134,152.40-26,238.68

Finding the Fourth Proportional to 89,421.12, 134,152.40 and 26,238.68

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Solution

The fourth proportional to 89,421.12, 134,152.40 and 26,238.68 is: 39,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,421.12 : 134,152.40 = 26,238.68 : x
  2. Step 2: Convert to fraction form
    89,421.12/134,152.40 = 26,238.68/x
  3. Step 3: Cross multiply
    89,421.12x = 134,152.40 × 26,238.68
  4. Step 4: Simplify right side
    89,421.12x = 3,519,981,894.83
  5. Step 5: Solve for x
    x = 3,519,981,894.83/89,421.12
  6. Step 6: Final answer
    x = 39,364.10

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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.