Home / 134,870.10-202,132.35-120,009.30

Finding the Fourth Proportional to 134,870.10, 202,132.35 and 120,009.30

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Solution

The fourth proportional to 134,870.10, 202,132.35 and 120,009.30 is: 179,860.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,870.10 : 202,132.35 = 120,009.30 : x
  2. Step 2: Convert to fraction form
    134,870.10/202,132.35 = 120,009.30/x
  3. Step 3: Cross multiply
    134,870.10x = 202,132.35 × 120,009.30
  4. Step 4: Simplify right side
    134,870.10x = 24,257,761,830.86
  5. Step 5: Solve for x
    x = 24,257,761,830.86/134,870.10
  6. Step 6: Final answer
    x = 179,860.19

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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.