Home / 144,171.50-216,303.51-69,297.08

Finding the Fourth Proportional to 144,171.50, 216,303.51 and 69,297.08

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Solution

The fourth proportional to 144,171.50, 216,303.51 and 69,297.08 is: 103,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,171.50 : 216,303.51 = 69,297.08 : x
  2. Step 2: Convert to fraction form
    144,171.50/216,303.51 = 69,297.08/x
  3. Step 3: Cross multiply
    144,171.50x = 216,303.51 × 69,297.08
  4. Step 4: Simplify right side
    144,171.50x = 14,989,201,636.75
  5. Step 5: Solve for x
    x = 14,989,201,636.75/144,171.50
  6. Step 6: Final answer
    x = 103,967.86

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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.