Home / 144,405.04-216,515.38-69,375.92

Finding the Fourth Proportional to 144,405.04, 216,515.38 and 69,375.92

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Solution

The fourth proportional to 144,405.04, 216,515.38 and 69,375.92 is: 104,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,405.04 : 216,515.38 = 69,375.92 : x
  2. Step 2: Convert to fraction form
    144,405.04/216,515.38 = 69,375.92/x
  3. Step 3: Cross multiply
    144,405.04x = 216,515.38 × 69,375.92
  4. Step 4: Simplify right side
    144,405.04x = 15,020,953,681.65
  5. Step 5: Solve for x
    x = 15,020,953,681.65/144,405.04
  6. Step 6: Final answer
    x = 104,019.59

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1.5x scale

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.