Home / 134,867.10-202,300.65-84,784.80

Finding the Fourth Proportional to 134,867.10, 202,300.65 and 84,784.80

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Solution

The fourth proportional to 134,867.10, 202,300.65 and 84,784.80 is: 127,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,867.10 : 202,300.65 = 84,784.80 : x
  2. Step 2: Convert to fraction form
    134,867.10/202,300.65 = 84,784.80/x
  3. Step 3: Cross multiply
    134,867.10x = 202,300.65 × 84,784.80
  4. Step 4: Simplify right side
    134,867.10x = 17,152,020,150.12
  5. Step 5: Solve for x
    x = 17,152,020,150.12/134,867.10
  6. Step 6: Final answer
    x = 127,177.20

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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.