Home / 145,051.02-200,167.23-80,516.50

Finding the Fourth Proportional to 145,051.02, 200,167.23 and 80,516.50

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Solution

The fourth proportional to 145,051.02, 200,167.23 and 80,516.50 is: 111,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,051.02 : 200,167.23 = 80,516.50 : x
  2. Step 2: Convert to fraction form
    145,051.02/200,167.23 = 80,516.50/x
  3. Step 3: Cross multiply
    145,051.02x = 200,167.23 × 80,516.50
  4. Step 4: Simplify right side
    145,051.02x = 16,116,764,575.81
  5. Step 5: Solve for x
    x = 16,116,764,575.81/145,051.02
  6. Step 6: Final answer
    x = 111,111.00

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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.