Home / 147,615.90-221,423.85-130,703.10

Finding the Fourth Proportional to 147,615.90, 221,423.85 and 130,703.10

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Solution

The fourth proportional to 147,615.90, 221,423.85 and 130,703.10 is: 196,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,615.90 : 221,423.85 = 130,703.10 : x
  2. Step 2: Convert to fraction form
    147,615.90/221,423.85 = 130,703.10/x
  3. Step 3: Cross multiply
    147,615.90x = 221,423.85 × 130,703.10
  4. Step 4: Simplify right side
    147,615.90x = 28,940,783,608.94
  5. Step 5: Solve for x
    x = 28,940,783,608.94/147,615.90
  6. Step 6: Final answer
    x = 196,054.65

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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.