Home / 239,825.74-359,776.54-90,077.40

Finding the Fourth Proportional to 239,825.74, 359,776.54 and 90,077.40

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Solution

The fourth proportional to 239,825.74, 359,776.54 and 90,077.40 is: 135,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,825.74 : 359,776.54 = 90,077.40 : x
  2. Step 2: Convert to fraction form
    239,825.74/359,776.54 = 90,077.40/x
  3. Step 3: Cross multiply
    239,825.74x = 359,776.54 × 90,077.40
  4. Step 4: Simplify right side
    239,825.74x = 32,407,736,427.92
  5. Step 5: Solve for x
    x = 32,407,736,427.92/239,825.74
  6. Step 6: Final answer
    x = 135,130.35

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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.