Home / 260,106.57-390,159.77-73,118.07

Finding the Fourth Proportional to 260,106.57, 390,159.77 and 73,118.07

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Solution

The fourth proportional to 260,106.57, 390,159.77 and 73,118.07 is: 109,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,106.57 : 390,159.77 = 73,118.07 : x
  2. Step 2: Convert to fraction form
    260,106.57/390,159.77 = 73,118.07/x
  3. Step 3: Cross multiply
    260,106.57x = 390,159.77 × 73,118.07
  4. Step 4: Simplify right side
    260,106.57x = 28,527,729,008.45
  5. Step 5: Solve for x
    x = 28,527,729,008.45/260,106.57
  6. Step 6: Final answer
    x = 109,677.08

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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.