Home / 91,875.11-137,800.10-25,305.67

Finding the Fourth Proportional to 91,875.11, 137,800.10 and 25,305.67

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Solution

The fourth proportional to 91,875.11, 137,800.10 and 25,305.67 is: 37,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,875.11 : 137,800.10 = 25,305.67 : x
  2. Step 2: Convert to fraction form
    91,875.11/137,800.10 = 25,305.67/x
  3. Step 3: Cross multiply
    91,875.11x = 137,800.10 × 25,305.67
  4. Step 4: Simplify right side
    91,875.11x = 3,487,123,041.04
  5. Step 5: Solve for x
    x = 3,487,123,041.04/91,875.11
  6. Step 6: Final answer
    x = 37,955.04

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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.