Home / 120,943.98-181,417.58-42,059.70

Finding the Fourth Proportional to 120,943.98, 181,417.58 and 42,059.70

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Solution

The fourth proportional to 120,943.98, 181,417.58 and 42,059.70 is: 63,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,943.98 : 181,417.58 = 42,059.70 : x
  2. Step 2: Convert to fraction form
    120,943.98/181,417.58 = 42,059.70/x
  3. Step 3: Cross multiply
    120,943.98x = 181,417.58 × 42,059.70
  4. Step 4: Simplify right side
    120,943.98x = 7,630,368,989.53
  5. Step 5: Solve for x
    x = 7,630,368,989.53/120,943.98
  6. Step 6: Final answer
    x = 63,090.11

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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.