Home / 102,406.08-153,624.48-28,539.84

Finding the Fourth Proportional to 102,406.08, 153,624.48 and 28,539.84

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Solution

The fourth proportional to 102,406.08, 153,624.48 and 28,539.84 is: 42,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,406.08 : 153,624.48 = 28,539.84 : x
  2. Step 2: Convert to fraction form
    102,406.08/153,624.48 = 28,539.84/x
  3. Step 3: Cross multiply
    102,406.08x = 153,624.48 × 28,539.84
  4. Step 4: Simplify right side
    102,406.08x = 4,384,418,079.28
  5. Step 5: Solve for x
    x = 4,384,418,079.28/102,406.08
  6. Step 6: Final answer
    x = 42,814.04

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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.