Home / 91,870.08-137,710.08-50,228.16

Finding the Fourth Proportional to 91,870.08, 137,710.08 and 50,228.16

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Solution

The fourth proportional to 91,870.08, 137,710.08 and 50,228.16 is: 75,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,870.08 : 137,710.08 = 50,228.16 : x
  2. Step 2: Convert to fraction form
    91,870.08/137,710.08 = 50,228.16/x
  3. Step 3: Cross multiply
    91,870.08x = 137,710.08 × 50,228.16
  4. Step 4: Simplify right side
    91,870.08x = 6,916,923,931.85
  5. Step 5: Solve for x
    x = 6,916,923,931.85/91,870.08
  6. Step 6: Final answer
    x = 75,290.28

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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.