Home / 231,073.20-318,710.28-146,108.40

Finding the Fourth Proportional to 231,073.20, 318,710.28 and 146,108.40

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Solution

The fourth proportional to 231,073.20, 318,710.28 and 146,108.40 is: 201,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,073.20 : 318,710.28 = 146,108.40 : x
  2. Step 2: Convert to fraction form
    231,073.20/318,710.28 = 146,108.40/x
  3. Step 3: Cross multiply
    231,073.20x = 318,710.28 × 146,108.40
  4. Step 4: Simplify right side
    231,073.20x = 46,566,249,074.35
  5. Step 5: Solve for x
    x = 46,566,249,074.35/231,073.20
  6. Step 6: Final answer
    x = 201,521.64

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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.