Home / 121,566.93-182,431.86-42,681.39

Finding the Fourth Proportional to 121,566.93, 182,431.86 and 42,681.39

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Solution

The fourth proportional to 121,566.93, 182,431.86 and 42,681.39 is: 64,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,566.93 : 182,431.86 = 42,681.39 : x
  2. Step 2: Convert to fraction form
    121,566.93/182,431.86 = 42,681.39/x
  3. Step 3: Cross multiply
    121,566.93x = 182,431.86 × 42,681.39
  4. Step 4: Simplify right side
    121,566.93x = 7,786,445,365.09
  5. Step 5: Solve for x
    x = 7,786,445,365.09/121,566.93
  6. Step 6: Final answer
    x = 64,050.69

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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.