Home / 90,844.47-136,284.93-31,664.25

Finding the Fourth Proportional to 90,844.47, 136,284.93 and 31,664.25

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Solution

The fourth proportional to 90,844.47, 136,284.93 and 31,664.25 is: 47,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,844.47 : 136,284.93 = 31,664.25 : x
  2. Step 2: Convert to fraction form
    90,844.47/136,284.93 = 31,664.25/x
  3. Step 3: Cross multiply
    90,844.47x = 136,284.93 × 31,664.25
  4. Step 4: Simplify right side
    90,844.47x = 4,315,360,094.75
  5. Step 5: Solve for x
    x = 4,315,360,094.75/90,844.47
  6. Step 6: Final answer
    x = 47,502.73

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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.