Home / 210,390.30-290,340.93-114,899.81

Finding the Fourth Proportional to 210,390.30, 290,340.93 and 114,899.81

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Solution

The fourth proportional to 210,390.30, 290,340.93 and 114,899.81 is: 158,563.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,390.30 : 290,340.93 = 114,899.81 : x
  2. Step 2: Convert to fraction form
    210,390.30/290,340.93 = 114,899.81/x
  3. Step 3: Cross multiply
    210,390.30x = 290,340.93 × 114,899.81
  4. Step 4: Simplify right side
    210,390.30x = 33,360,117,692.22
  5. Step 5: Solve for x
    x = 33,360,117,692.22/210,390.30
  6. Step 6: Final answer
    x = 158,563.00

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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.