Home / 121,798.08-182,693.01-42,910.25

Finding the Fourth Proportional to 121,798.08, 182,693.01 and 42,910.25

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Solution

The fourth proportional to 121,798.08, 182,693.01 and 42,910.25 is: 64,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,798.08 : 182,693.01 = 42,910.25 : x
  2. Step 2: Convert to fraction form
    121,798.08/182,693.01 = 42,910.25/x
  3. Step 3: Cross multiply
    121,798.08x = 182,693.01 × 42,910.25
  4. Step 4: Simplify right side
    121,798.08x = 7,839,402,732.35
  5. Step 5: Solve for x
    x = 7,839,402,732.35/121,798.08
  6. Step 6: Final answer
    x = 64,363.93

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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.