Home / 147,605.10-221,407.65-136,200.30

Finding the Fourth Proportional to 147,605.10, 221,407.65 and 136,200.30

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Solution

The fourth proportional to 147,605.10, 221,407.65 and 136,200.30 is: 204,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,605.10 : 221,407.65 = 136,200.30 : x
  2. Step 2: Convert to fraction form
    147,605.10/221,407.65 = 136,200.30/x
  3. Step 3: Cross multiply
    147,605.10x = 221,407.65 × 136,200.30
  4. Step 4: Simplify right side
    147,605.10x = 30,155,788,352.30
  5. Step 5: Solve for x
    x = 30,155,788,352.30/147,605.10
  6. Step 6: Final answer
    x = 204,300.45

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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.