Home / 152,830.80-229,246.20-47,660.40

Finding the Fourth Proportional to 152,830.80, 229,246.20 and 47,660.40

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Solution

The fourth proportional to 152,830.80, 229,246.20 and 47,660.40 is: 71,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,830.80 : 229,246.20 = 47,660.40 : x
  2. Step 2: Convert to fraction form
    152,830.80/229,246.20 = 47,660.40/x
  3. Step 3: Cross multiply
    152,830.80x = 229,246.20 × 47,660.40
  4. Step 4: Simplify right side
    152,830.80x = 10,925,965,590.48
  5. Step 5: Solve for x
    x = 10,925,965,590.48/152,830.80
  6. Step 6: Final answer
    x = 71,490.60

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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.