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Finding the Fourth Proportional to 144,038.80, 215,539.80 and 97,382.80

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Solution

The fourth proportional to 144,038.80, 215,539.80 and 97,382.80 is: 145,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,038.80 : 215,539.80 = 97,382.80 : x
  2. Step 2: Convert to fraction form
    144,038.80/215,539.80 = 97,382.80/x
  3. Step 3: Cross multiply
    144,038.80x = 215,539.80 × 97,382.80
  4. Step 4: Simplify right side
    144,038.80x = 20,989,869,235.44
  5. Step 5: Solve for x
    x = 20,989,869,235.44/144,038.80
  6. Step 6: Final answer
    x = 145,723.72

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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.