Home / 136,969.04-205,438.92-64,904.55

Finding the Fourth Proportional to 136,969.04, 205,438.92 and 64,904.55

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Solution

The fourth proportional to 136,969.04, 205,438.92 and 64,904.55 is: 97,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,969.04 : 205,438.92 = 64,904.55 : x
  2. Step 2: Convert to fraction form
    136,969.04/205,438.92 = 64,904.55/x
  3. Step 3: Cross multiply
    136,969.04x = 205,438.92 × 64,904.55
  4. Step 4: Simplify right side
    136,969.04x = 13,333,920,655.09
  5. Step 5: Solve for x
    x = 13,333,920,655.09/136,969.04
  6. Step 6: Final answer
    x = 97,349.89

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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.