Home / 134,904.60-202,356.90-84,822.30

Finding the Fourth Proportional to 134,904.60, 202,356.90 and 84,822.30

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Solution

The fourth proportional to 134,904.60, 202,356.90 and 84,822.30 is: 127,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,904.60 : 202,356.90 = 84,822.30 : x
  2. Step 2: Convert to fraction form
    134,904.60/202,356.90 = 84,822.30/x
  3. Step 3: Cross multiply
    134,904.60x = 202,356.90 × 84,822.30
  4. Step 4: Simplify right side
    134,904.60x = 17,164,377,678.87
  5. Step 5: Solve for x
    x = 17,164,377,678.87/134,904.60
  6. Step 6: Final answer
    x = 127,233.45

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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.