Home / 90,048.60-134,927.10-84,799.80

Finding the Fourth Proportional to 90,048.60, 134,927.10 and 84,799.80

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Solution

The fourth proportional to 90,048.60, 134,927.10 and 84,799.80 is: 127,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,048.60 : 134,927.10 = 84,799.80 : x
  2. Step 2: Convert to fraction form
    90,048.60/134,927.10 = 84,799.80/x
  3. Step 3: Cross multiply
    90,048.60x = 134,927.10 × 84,799.80
  4. Step 4: Simplify right side
    90,048.60x = 11,441,791,094.58
  5. Step 5: Solve for x
    x = 11,441,791,094.58/90,048.60
  6. Step 6: Final answer
    x = 127,062.40

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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.