Home / 109,194.16-150,688.20-61,448.08

Finding the Fourth Proportional to 109,194.16, 150,688.20 and 61,448.08

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Solution

The fourth proportional to 109,194.16, 150,688.20 and 61,448.08 is: 84,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,194.16 : 150,688.20 = 61,448.08 : x
  2. Step 2: Convert to fraction form
    109,194.16/150,688.20 = 61,448.08/x
  3. Step 3: Cross multiply
    109,194.16x = 150,688.20 × 61,448.08
  4. Step 4: Simplify right side
    109,194.16x = 9,259,500,568.66
  5. Step 5: Solve for x
    x = 9,259,500,568.66/109,194.16
  6. Step 6: Final answer
    x = 84,798.50

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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.