Home / 115,307.23-172,886.75-47,885.77

Finding the Fourth Proportional to 115,307.23, 172,886.75 and 47,885.77

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Solution

The fourth proportional to 115,307.23, 172,886.75 and 47,885.77 is: 71,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,307.23 : 172,886.75 = 47,885.77 : x
  2. Step 2: Convert to fraction form
    115,307.23/172,886.75 = 47,885.77/x
  3. Step 3: Cross multiply
    115,307.23x = 172,886.75 × 47,885.77
  4. Step 4: Simplify right side
    115,307.23x = 8,278,815,482.37
  5. Step 5: Solve for x
    x = 8,278,815,482.37/115,307.23
  6. Step 6: Final answer
    x = 71,797.89

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1.5x scale

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.