Home / 90,783.84-136,057.44-46,373.16

Finding the Fourth Proportional to 90,783.84, 136,057.44 and 46,373.16

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Solution

The fourth proportional to 90,783.84, 136,057.44 and 46,373.16 is: 69,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,783.84 : 136,057.44 = 46,373.16 : x
  2. Step 2: Convert to fraction form
    90,783.84/136,057.44 = 46,373.16/x
  3. Step 3: Cross multiply
    90,783.84x = 136,057.44 × 46,373.16
  4. Step 4: Simplify right side
    90,783.84x = 6,309,413,434.31
  5. Step 5: Solve for x
    x = 6,309,413,434.31/90,783.84
  6. Step 6: Final answer
    x = 69,499.30

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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.