Home / 154,445.94-231,428.95-74,397.69

Finding the Fourth Proportional to 154,445.94, 231,428.95 and 74,397.69

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Solution

The fourth proportional to 154,445.94, 231,428.95 and 74,397.69 is: 111,480.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,445.94 : 231,428.95 = 74,397.69 : x
  2. Step 2: Convert to fraction form
    154,445.94/231,428.95 = 74,397.69/x
  3. Step 3: Cross multiply
    154,445.94x = 231,428.95 × 74,397.69
  4. Step 4: Simplify right side
    154,445.94x = 17,217,779,093.13
  5. Step 5: Solve for x
    x = 17,217,779,093.13/154,445.94
  6. Step 6: Final answer
    x = 111,480.94

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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.