Home / 260,898.08-391,606.32-120,688.16

Finding the Fourth Proportional to 260,898.08, 391,606.32 and 120,688.16

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Solution

The fourth proportional to 260,898.08, 391,606.32 and 120,688.16 is: 181,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,898.08 : 391,606.32 = 120,688.16 : x
  2. Step 2: Convert to fraction form
    260,898.08/391,606.32 = 120,688.16/x
  3. Step 3: Cross multiply
    260,898.08x = 391,606.32 × 120,688.16
  4. Step 4: Simplify right side
    260,898.08x = 47,262,246,205.17
  5. Step 5: Solve for x
    x = 47,262,246,205.17/260,898.08
  6. Step 6: Final answer
    x = 181,152.14

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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.