Home / 134,876.60-202,314.90-64,719.80

Finding the Fourth Proportional to 134,876.60, 202,314.90 and 64,719.80

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Solution

The fourth proportional to 134,876.60, 202,314.90 and 64,719.80 is: 97,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,876.60 : 202,314.90 = 64,719.80 : x
  2. Step 2: Convert to fraction form
    134,876.60/202,314.90 = 64,719.80/x
  3. Step 3: Cross multiply
    134,876.60x = 202,314.90 × 64,719.80
  4. Step 4: Simplify right side
    134,876.60x = 13,093,779,865.02
  5. Step 5: Solve for x
    x = 13,093,779,865.02/134,876.60
  6. Step 6: Final answer
    x = 97,079.70

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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.