Home / 147,490.60-221,235.90-136,085.80

Finding the Fourth Proportional to 147,490.60, 221,235.90 and 136,085.80

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Solution

The fourth proportional to 147,490.60, 221,235.90 and 136,085.80 is: 204,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,490.60 : 221,235.90 = 136,085.80 : x
  2. Step 2: Convert to fraction form
    147,490.60/221,235.90 = 136,085.80/x
  3. Step 3: Cross multiply
    147,490.60x = 221,235.90 × 136,085.80
  4. Step 4: Simplify right side
    147,490.60x = 30,107,064,440.22
  5. Step 5: Solve for x
    x = 30,107,064,440.22/147,490.60
  6. Step 6: Final answer
    x = 204,128.70

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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.