Home / 147,698.20-221,417.70-88,557.40

Finding the Fourth Proportional to 147,698.20, 221,417.70 and 88,557.40

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Solution

The fourth proportional to 147,698.20, 221,417.70 and 88,557.40 is: 132,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,698.20 : 221,417.70 = 88,557.40 : x
  2. Step 2: Convert to fraction form
    147,698.20/221,417.70 = 88,557.40/x
  3. Step 3: Cross multiply
    147,698.20x = 221,417.70 × 88,557.40
  4. Step 4: Simplify right side
    147,698.20x = 19,608,175,825.98
  5. Step 5: Solve for x
    x = 19,608,175,825.98/147,698.20
  6. Step 6: Final answer
    x = 132,758.39

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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.