Home / 144,189.28-216,295.08-39,008.80

Finding the Fourth Proportional to 144,189.28, 216,295.08 and 39,008.80

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Solution

The fourth proportional to 144,189.28, 216,295.08 and 39,008.80 is: 58,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,189.28 : 216,295.08 = 39,008.80 : x
  2. Step 2: Convert to fraction form
    144,189.28/216,295.08 = 39,008.80/x
  3. Step 3: Cross multiply
    144,189.28x = 216,295.08 × 39,008.80
  4. Step 4: Simplify right side
    144,189.28x = 8,437,411,516.70
  5. Step 5: Solve for x
    x = 8,437,411,516.70/144,189.28
  6. Step 6: Final answer
    x = 58,516.22

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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.