Home / 147,908.40-221,862.60-139,160.40

Finding the Fourth Proportional to 147,908.40, 221,862.60 and 139,160.40

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Solution

The fourth proportional to 147,908.40, 221,862.60 and 139,160.40 is: 208,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,908.40 : 221,862.60 = 139,160.40 : x
  2. Step 2: Convert to fraction form
    147,908.40/221,862.60 = 139,160.40/x
  3. Step 3: Cross multiply
    147,908.40x = 221,862.60 × 139,160.40
  4. Step 4: Simplify right side
    147,908.40x = 30,874,488,161.04
  5. Step 5: Solve for x
    x = 30,874,488,161.04/147,908.40
  6. Step 6: Final answer
    x = 208,740.60

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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.