Home / 121,848.18-182,712.33-42,950.94

Finding the Fourth Proportional to 121,848.18, 182,712.33 and 42,950.94

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Solution

The fourth proportional to 121,848.18, 182,712.33 and 42,950.94 is: 64,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,848.18 : 182,712.33 = 42,950.94 : x
  2. Step 2: Convert to fraction form
    121,848.18/182,712.33 = 42,950.94/x
  3. Step 3: Cross multiply
    121,848.18x = 182,712.33 × 42,950.94
  4. Step 4: Simplify right side
    121,848.18x = 7,847,666,323.09
  5. Step 5: Solve for x
    x = 7,847,666,323.09/121,848.18
  6. Step 6: Final answer
    x = 64,405.28

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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.