Home / 143,500.40-215,347.80-93,458.60

Finding the Fourth Proportional to 143,500.40, 215,347.80 and 93,458.60

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Solution

The fourth proportional to 143,500.40, 215,347.80 and 93,458.60 is: 140,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,500.40 : 215,347.80 = 93,458.60 : x
  2. Step 2: Convert to fraction form
    143,500.40/215,347.80 = 93,458.60/x
  3. Step 3: Cross multiply
    143,500.40x = 215,347.80 × 93,458.60
  4. Step 4: Simplify right side
    143,500.40x = 20,126,103,901.08
  5. Step 5: Solve for x
    x = 20,126,103,901.08/143,500.40
  6. Step 6: Final answer
    x = 140,251.20

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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.