Home / 95,488.20-143,189.10-42,870.60

Finding the Fourth Proportional to 95,488.20, 143,189.10 and 42,870.60

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Solution

The fourth proportional to 95,488.20, 143,189.10 and 42,870.60 is: 64,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,488.20 : 143,189.10 = 42,870.60 : x
  2. Step 2: Convert to fraction form
    95,488.20/143,189.10 = 42,870.60/x
  3. Step 3: Cross multiply
    95,488.20x = 143,189.10 × 42,870.60
  4. Step 4: Simplify right side
    95,488.20x = 6,138,602,630.46
  5. Step 5: Solve for x
    x = 6,138,602,630.46/95,488.20
  6. Step 6: Final answer
    x = 64,286.50

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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.