Home / 147,563.20-221,011.77-103,387.12

Finding the Fourth Proportional to 147,563.20, 221,011.77 and 103,387.12

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Solution

The fourth proportional to 147,563.20, 221,011.77 and 103,387.12 is: 154,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,563.20 : 221,011.77 = 103,387.12 : x
  2. Step 2: Convert to fraction form
    147,563.20/221,011.77 = 103,387.12/x
  3. Step 3: Cross multiply
    147,563.20x = 221,011.77 × 103,387.12
  4. Step 4: Simplify right side
    147,563.20x = 22,849,770,386.40
  5. Step 5: Solve for x
    x = 22,849,770,386.40/147,563.20
  6. Step 6: Final answer
    x = 154,847.35

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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.