Home / 263,289.16-363,337.95-142,430.16

Finding the Fourth Proportional to 263,289.16, 363,337.95 and 142,430.16

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Solution

The fourth proportional to 263,289.16, 363,337.95 and 142,430.16 is: 196,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,289.16 : 363,337.95 = 142,430.16 : x
  2. Step 2: Convert to fraction form
    263,289.16/363,337.95 = 142,430.16/x
  3. Step 3: Cross multiply
    263,289.16x = 363,337.95 × 142,430.16
  4. Step 4: Simplify right side
    263,289.16x = 51,750,282,352.57
  5. Step 5: Solve for x
    x = 51,750,282,352.57/263,289.16
  6. Step 6: Final answer
    x = 196,553.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.