Home / 152,214.56-210,140.55-91,800.57

Finding the Fourth Proportional to 152,214.56, 210,140.55 and 91,800.57

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Solution

The fourth proportional to 152,214.56, 210,140.55 and 91,800.57 is: 126,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,214.56 : 210,140.55 = 91,800.57 : x
  2. Step 2: Convert to fraction form
    152,214.56/210,140.55 = 91,800.57/x
  3. Step 3: Cross multiply
    152,214.56x = 210,140.55 × 91,800.57
  4. Step 4: Simplify right side
    152,214.56x = 19,291,022,270.11
  5. Step 5: Solve for x
    x = 19,291,022,270.11/152,214.56
  6. Step 6: Final answer
    x = 126,735.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.