Home / 154,320.09-231,501.65-47,712.75

Finding the Fourth Proportional to 154,320.09, 231,501.65 and 47,712.75

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Solution

The fourth proportional to 154,320.09, 231,501.65 and 47,712.75 is: 71,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,320.09 : 231,501.65 = 47,712.75 : x
  2. Step 2: Convert to fraction form
    154,320.09/231,501.65 = 47,712.75/x
  3. Step 3: Cross multiply
    154,320.09x = 231,501.65 × 47,712.75
  4. Step 4: Simplify right side
    154,320.09x = 11,045,579,244.34
  5. Step 5: Solve for x
    x = 11,045,579,244.34/154,320.09
  6. Step 6: Final answer
    x = 71,575.77

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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.