Home / 145,190.32-200,275.74-91,381.92

Finding the Fourth Proportional to 145,190.32, 200,275.74 and 91,381.92

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Solution

The fourth proportional to 145,190.32, 200,275.74 and 91,381.92 is: 126,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,190.32 : 200,275.74 = 91,381.92 : x
  2. Step 2: Convert to fraction form
    145,190.32/200,275.74 = 91,381.92/x
  3. Step 3: Cross multiply
    145,190.32x = 200,275.74 × 91,381.92
  4. Step 4: Simplify right side
    145,190.32x = 18,301,581,650.62
  5. Step 5: Solve for x
    x = 18,301,581,650.62/145,190.32
  6. Step 6: Final answer
    x = 126,052.35

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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.