Home / 141,030.26-210,079.60-133,390.64

Finding the Fourth Proportional to 141,030.26, 210,079.60 and 133,390.64

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Solution

The fourth proportional to 141,030.26, 210,079.60 and 133,390.64 is: 198,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,030.26 : 210,079.60 = 133,390.64 : x
  2. Step 2: Convert to fraction form
    141,030.26/210,079.60 = 133,390.64/x
  3. Step 3: Cross multiply
    141,030.26x = 210,079.60 × 133,390.64
  4. Step 4: Simplify right side
    141,030.26x = 28,022,652,294.94
  5. Step 5: Solve for x
    x = 28,022,652,294.94/141,030.26
  6. Step 6: Final answer
    x = 198,699.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.