Home / 104,421.72-144,102.06-56,675.06

Finding the Fourth Proportional to 104,421.72, 144,102.06 and 56,675.06

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Solution

The fourth proportional to 104,421.72, 144,102.06 and 56,675.06 is: 78,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.72 : 144,102.06 = 56,675.06 : x
  2. Step 2: Convert to fraction form
    104,421.72/144,102.06 = 56,675.06/x
  3. Step 3: Cross multiply
    104,421.72x = 144,102.06 × 56,675.06
  4. Step 4: Simplify right side
    104,421.72x = 8,166,992,176.11
  5. Step 5: Solve for x
    x = 8,166,992,176.11/104,421.72
  6. Step 6: Final answer
    x = 78,211.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.