Home / 260,104.13-390,156.20-63,112.13

Finding the Fourth Proportional to 260,104.13, 390,156.20 and 63,112.13

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Solution

The fourth proportional to 260,104.13, 390,156.20 and 63,112.13 is: 94,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,104.13 : 390,156.20 = 63,112.13 : x
  2. Step 2: Convert to fraction form
    260,104.13/390,156.20 = 63,112.13/x
  3. Step 3: Cross multiply
    260,104.13x = 390,156.20 × 63,112.13
  4. Step 4: Simplify right side
    260,104.13x = 24,623,588,814.71
  5. Step 5: Solve for x
    x = 24,623,588,814.71/260,104.13
  6. Step 6: Final answer
    x = 94,668.20

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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.