Home / 147,623.40-221,435.10-88,525.80

Finding the Fourth Proportional to 147,623.40, 221,435.10 and 88,525.80

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Solution

The fourth proportional to 147,623.40, 221,435.10 and 88,525.80 is: 132,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623.40 : 221,435.10 = 88,525.80 : x
  2. Step 2: Convert to fraction form
    147,623.40/221,435.10 = 88,525.80/x
  3. Step 3: Cross multiply
    147,623.40x = 221,435.10 × 88,525.80
  4. Step 4: Simplify right side
    147,623.40x = 19,602,719,375.58
  5. Step 5: Solve for x
    x = 19,602,719,375.58/147,623.40
  6. Step 6: Final answer
    x = 132,788.70

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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.