Home / 104,527.50-144,307.80-68,821.32

Finding the Fourth Proportional to 104,527.50, 144,307.80 and 68,821.32

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Solution

The fourth proportional to 104,527.50, 144,307.80 and 68,821.32 is: 95,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,527.50 : 144,307.80 = 68,821.32 : x
  2. Step 2: Convert to fraction form
    104,527.50/144,307.80 = 68,821.32/x
  3. Step 3: Cross multiply
    104,527.50x = 144,307.80 × 68,821.32
  4. Step 4: Simplify right side
    104,527.50x = 9,931,453,282.30
  5. Step 5: Solve for x
    x = 9,931,453,282.30/104,527.50
  6. Step 6: Final answer
    x = 95,012.83

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1.5x scale

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.