Home / 84,157.08-126,230.67-31,562.16

Finding the Fourth Proportional to 84,157.08, 126,230.67 and 31,562.16

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Solution

The fourth proportional to 84,157.08, 126,230.67 and 31,562.16 is: 47,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,157.08 : 126,230.67 = 31,562.16 : x
  2. Step 2: Convert to fraction form
    84,157.08/126,230.67 = 31,562.16/x
  3. Step 3: Cross multiply
    84,157.08x = 126,230.67 × 31,562.16
  4. Step 4: Simplify right side
    84,157.08x = 3,984,112,603.45
  5. Step 5: Solve for x
    x = 3,984,112,603.45/84,157.08
  6. Step 6: Final answer
    x = 47,341.38

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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.