Home / 134,779.60-202,169.40-89,873.20

Finding the Fourth Proportional to 134,779.60, 202,169.40 and 89,873.20

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Solution

The fourth proportional to 134,779.60, 202,169.40 and 89,873.20 is: 134,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,779.60 : 202,169.40 = 89,873.20 : x
  2. Step 2: Convert to fraction form
    134,779.60/202,169.40 = 89,873.20/x
  3. Step 3: Cross multiply
    134,779.60x = 202,169.40 × 89,873.20
  4. Step 4: Simplify right side
    134,779.60x = 18,169,610,920.08
  5. Step 5: Solve for x
    x = 18,169,610,920.08/134,779.60
  6. Step 6: Final answer
    x = 134,809.80

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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.