Home / 147,320.73-221,091.15-99,823.20

Finding the Fourth Proportional to 147,320.73, 221,091.15 and 99,823.20

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Solution

The fourth proportional to 147,320.73, 221,091.15 and 99,823.20 is: 149,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,320.73 : 221,091.15 = 99,823.20 : x
  2. Step 2: Convert to fraction form
    147,320.73/221,091.15 = 99,823.20/x
  3. Step 3: Cross multiply
    147,320.73x = 221,091.15 × 99,823.20
  4. Step 4: Simplify right side
    147,320.73x = 22,070,026,084.68
  5. Step 5: Solve for x
    x = 22,070,026,084.68/147,320.73
  6. Step 6: Final answer
    x = 149,809.37

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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.