Home / 260,152.56-390,223.35-119,911.19

Finding the Fourth Proportional to 260,152.56, 390,223.35 and 119,911.19

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Solution

The fourth proportional to 260,152.56, 390,223.35 and 119,911.19 is: 179,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,152.56 : 390,223.35 = 119,911.19 : x
  2. Step 2: Convert to fraction form
    260,152.56/390,223.35 = 119,911.19/x
  3. Step 3: Cross multiply
    260,152.56x = 390,223.35 × 119,911.19
  4. Step 4: Simplify right side
    260,152.56x = 46,792,144,313.17
  5. Step 5: Solve for x
    x = 46,792,144,313.17/260,152.56
  6. Step 6: Final answer
    x = 179,864.25

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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.