Home / 120,950.08-181,457.79-42,068.68

Finding the Fourth Proportional to 120,950.08, 181,457.79 and 42,068.68

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Solution

The fourth proportional to 120,950.08, 181,457.79 and 42,068.68 is: 63,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,950.08 : 181,457.79 = 42,068.68 : x
  2. Step 2: Convert to fraction form
    120,950.08/181,457.79 = 42,068.68/x
  3. Step 3: Cross multiply
    120,950.08x = 181,457.79 × 42,068.68
  4. Step 4: Simplify right side
    120,950.08x = 7,633,689,701.02
  5. Step 5: Solve for x
    x = 7,633,689,701.02/120,950.08
  6. Step 6: Final answer
    x = 63,114.38

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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.