Home / 90,437.37-135,637.57-34,258.11

Finding the Fourth Proportional to 90,437.37, 135,637.57 and 34,258.11

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Solution

The fourth proportional to 90,437.37, 135,637.57 and 34,258.11 is: 51,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,437.37 : 135,637.57 = 34,258.11 : x
  2. Step 2: Convert to fraction form
    90,437.37/135,637.57 = 34,258.11/x
  3. Step 3: Cross multiply
    90,437.37x = 135,637.57 × 34,258.11
  4. Step 4: Simplify right side
    90,437.37x = 4,646,686,793.19
  5. Step 5: Solve for x
    x = 4,646,686,793.19/90,437.37
  6. Step 6: Final answer
    x = 51,380.16

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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.