Home / 165,501.20-248,251.80-147,130.40

Finding the Fourth Proportional to 165,501.20, 248,251.80 and 147,130.40

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Solution

The fourth proportional to 165,501.20, 248,251.80 and 147,130.40 is: 220,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,501.20 : 248,251.80 = 147,130.40 : x
  2. Step 2: Convert to fraction form
    165,501.20/248,251.80 = 147,130.40/x
  3. Step 3: Cross multiply
    165,501.20x = 248,251.80 × 147,130.40
  4. Step 4: Simplify right side
    165,501.20x = 36,525,386,634.72
  5. Step 5: Solve for x
    x = 36,525,386,634.72/165,501.20
  6. Step 6: Final answer
    x = 220,695.60

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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.