Home / 153,030.80-229,546.20-47,860.40

Finding the Fourth Proportional to 153,030.80, 229,546.20 and 47,860.40

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Solution

The fourth proportional to 153,030.80, 229,546.20 and 47,860.40 is: 71,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,030.80 : 229,546.20 = 47,860.40 : x
  2. Step 2: Convert to fraction form
    153,030.80/229,546.20 = 47,860.40/x
  3. Step 3: Cross multiply
    153,030.80x = 229,546.20 × 47,860.40
  4. Step 4: Simplify right side
    153,030.80x = 10,986,172,950.48
  5. Step 5: Solve for x
    x = 10,986,172,950.48/153,030.80
  6. Step 6: Final answer
    x = 71,790.60

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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.