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Finding the Fourth Proportional to 183,135.65, 274,646.97 and 64,779.77

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Solution

The fourth proportional to 183,135.65, 274,646.97 and 64,779.77 is: 97,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,135.65 : 274,646.97 = 64,779.77 : x
  2. Step 2: Convert to fraction form
    183,135.65/274,646.97 = 64,779.77/x
  3. Step 3: Cross multiply
    183,135.65x = 274,646.97 × 64,779.77
  4. Step 4: Simplify right side
    183,135.65x = 17,791,567,547.80
  5. Step 5: Solve for x
    x = 17,791,567,547.80/183,135.65
  6. Step 6: Final answer
    x = 97,149.67

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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.