Home / 147,619.93-203,715-83,089.13

Finding the Fourth Proportional to 147,619.93, 203,715 and 83,089.13

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Solution

The fourth proportional to 147,619.93, 203,715 and 83,089.13 is: 114,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,619.93 : 203,715 = 83,089.13 : x
  2. Step 2: Convert to fraction form
    147,619.93/203,715 = 83,089.13/x
  3. Step 3: Cross multiply
    147,619.93x = 203,715 × 83,089.13
  4. Step 4: Simplify right side
    147,619.93x = 16,926,502,245.27
  5. Step 5: Solve for x
    x = 16,926,502,245.27/147,619.93
  6. Step 6: Final answer
    x = 114,662.72

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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.