Home / 125,855.28-173,678.04-69,266.16

Finding the Fourth Proportional to 125,855.28, 173,678.04 and 69,266.16

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Solution

The fourth proportional to 125,855.28, 173,678.04 and 69,266.16 is: 95,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,855.28 : 173,678.04 = 69,266.16 : x
  2. Step 2: Convert to fraction form
    125,855.28/173,678.04 = 69,266.16/x
  3. Step 3: Cross multiply
    125,855.28x = 173,678.04 × 69,266.16
  4. Step 4: Simplify right side
    125,855.28x = 12,030,010,907.13
  5. Step 5: Solve for x
    x = 12,030,010,907.13/125,855.28
  6. Step 6: Final answer
    x = 95,586.06

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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.