Home / 143,534.95-215,325.60-43,671.62

Finding the Fourth Proportional to 143,534.95, 215,325.60 and 43,671.62

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Solution

The fourth proportional to 143,534.95, 215,325.60 and 43,671.62 is: 65,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,534.95 : 215,325.60 = 43,671.62 : x
  2. Step 2: Convert to fraction form
    143,534.95/215,325.60 = 43,671.62/x
  3. Step 3: Cross multiply
    143,534.95x = 215,325.60 × 43,671.62
  4. Step 4: Simplify right side
    143,534.95x = 9,403,618,154.02
  5. Step 5: Solve for x
    x = 9,403,618,154.02/143,534.95
  6. Step 6: Final answer
    x = 65,514.48

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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.