Home / 90,637.37-125,094.56-75,506.07

Finding the Fourth Proportional to 90,637.37, 125,094.56 and 75,506.07

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Solution

The fourth proportional to 90,637.37, 125,094.56 and 75,506.07 is: 104,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,637.37 : 125,094.56 = 75,506.07 : x
  2. Step 2: Convert to fraction form
    90,637.37/125,094.56 = 75,506.07/x
  3. Step 3: Cross multiply
    90,637.37x = 125,094.56 × 75,506.07
  4. Step 4: Simplify right side
    90,637.37x = 9,445,398,226.45
  5. Step 5: Solve for x
    x = 9,445,398,226.45/90,637.37
  6. Step 6: Final answer
    x = 104,210.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.