Home / 210,041.20-289,845.34-119,384.58

Finding the Fourth Proportional to 210,041.20, 289,845.34 and 119,384.58

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Solution

The fourth proportional to 210,041.20, 289,845.34 and 119,384.58 is: 164,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,041.20 : 289,845.34 = 119,384.58 : x
  2. Step 2: Convert to fraction form
    210,041.20/289,845.34 = 119,384.58/x
  3. Step 3: Cross multiply
    210,041.20x = 289,845.34 × 119,384.58
  4. Step 4: Simplify right side
    210,041.20x = 34,603,064,969.32
  5. Step 5: Solve for x
    x = 34,603,064,969.32/210,041.20
  6. Step 6: Final answer
    x = 164,744.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.