Home / 147,613.80-221,420.70-97,750.20

Finding the Fourth Proportional to 147,613.80, 221,420.70 and 97,750.20

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Solution

The fourth proportional to 147,613.80, 221,420.70 and 97,750.20 is: 146,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,613.80 : 221,420.70 = 97,750.20 : x
  2. Step 2: Convert to fraction form
    147,613.80/221,420.70 = 97,750.20/x
  3. Step 3: Cross multiply
    147,613.80x = 221,420.70 × 97,750.20
  4. Step 4: Simplify right side
    147,613.80x = 21,643,917,709.14
  5. Step 5: Solve for x
    x = 21,643,917,709.14/147,613.80
  6. Step 6: Final answer
    x = 146,625.30

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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.