Home / 91,254.07-136,886.01-28,929.43

Finding the Fourth Proportional to 91,254.07, 136,886.01 and 28,929.43

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Solution

The fourth proportional to 91,254.07, 136,886.01 and 28,929.43 is: 43,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,254.07 : 136,886.01 = 28,929.43 : x
  2. Step 2: Convert to fraction form
    91,254.07/136,886.01 = 28,929.43/x
  3. Step 3: Cross multiply
    91,254.07x = 136,886.01 × 28,929.43
  4. Step 4: Simplify right side
    91,254.07x = 3,960,034,244.27
  5. Step 5: Solve for x
    x = 3,960,034,244.27/91,254.07
  6. Step 6: Final answer
    x = 43,395.70

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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.