Home / 122,476.40-183,714.60-39,378.80

Finding the Fourth Proportional to 122,476.40, 183,714.60 and 39,378.80

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Solution

The fourth proportional to 122,476.40, 183,714.60 and 39,378.80 is: 59,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476.40 : 183,714.60 = 39,378.80 : x
  2. Step 2: Convert to fraction form
    122,476.40/183,714.60 = 39,378.80/x
  3. Step 3: Cross multiply
    122,476.40x = 183,714.60 × 39,378.80
  4. Step 4: Simplify right side
    122,476.40x = 7,234,460,490.48
  5. Step 5: Solve for x
    x = 7,234,460,490.48/122,476.40
  6. Step 6: Final answer
    x = 59,068.20

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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.