Home / 84,210.45-125,699.10-74,246.19

Finding the Fourth Proportional to 84,210.45, 125,699.10 and 74,246.19

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Solution

The fourth proportional to 84,210.45, 125,699.10 and 74,246.19 is: 110,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,210.45 : 125,699.10 = 74,246.19 : x
  2. Step 2: Convert to fraction form
    84,210.45/125,699.10 = 74,246.19/x
  3. Step 3: Cross multiply
    84,210.45x = 125,699.10 × 74,246.19
  4. Step 4: Simplify right side
    84,210.45x = 9,332,679,261.43
  5. Step 5: Solve for x
    x = 9,332,679,261.43/84,210.45
  6. Step 6: Final answer
    x = 110,825.67

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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.