Home / 90,784.10-136,176.15-44,128.10

Finding the Fourth Proportional to 90,784.10, 136,176.15 and 44,128.10

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Solution

The fourth proportional to 90,784.10, 136,176.15 and 44,128.10 is: 66,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,784.10 : 136,176.15 = 44,128.10 : x
  2. Step 2: Convert to fraction form
    90,784.10/136,176.15 = 44,128.10/x
  3. Step 3: Cross multiply
    90,784.10x = 136,176.15 × 44,128.10
  4. Step 4: Simplify right side
    90,784.10x = 6,009,194,764.82
  5. Step 5: Solve for x
    x = 6,009,194,764.82/90,784.10
  6. Step 6: Final answer
    x = 66,192.15

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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.