Home / 134,790.30-202,351.85-84,870.30

Finding the Fourth Proportional to 134,790.30, 202,351.85 and 84,870.30

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Solution

The fourth proportional to 134,790.30, 202,351.85 and 84,870.30 is: 127,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,790.30 : 202,351.85 = 84,870.30 : x
  2. Step 2: Convert to fraction form
    134,790.30/202,351.85 = 84,870.30/x
  3. Step 3: Cross multiply
    134,790.30x = 202,351.85 × 84,870.30
  4. Step 4: Simplify right side
    134,790.30x = 17,173,662,215.06
  5. Step 5: Solve for x
    x = 17,173,662,215.06/134,790.30
  6. Step 6: Final answer
    x = 127,410.22

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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.