Home / 120,973.48-166,899.18-73,209.40

Finding the Fourth Proportional to 120,973.48, 166,899.18 and 73,209.40

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Solution

The fourth proportional to 120,973.48, 166,899.18 and 73,209.40 is: 101,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,973.48 : 166,899.18 = 73,209.40 : x
  2. Step 2: Convert to fraction form
    120,973.48/166,899.18 = 73,209.40/x
  3. Step 3: Cross multiply
    120,973.48x = 166,899.18 × 73,209.40
  4. Step 4: Simplify right side
    120,973.48x = 12,218,588,828.29
  5. Step 5: Solve for x
    x = 12,218,588,828.29/120,973.48
  6. Step 6: Final answer
    x = 101,002.21

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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.