Home / 91,834.08-137,621.52-39,225.12

Finding the Fourth Proportional to 91,834.08, 137,621.52 and 39,225.12

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Solution

The fourth proportional to 91,834.08, 137,621.52 and 39,225.12 is: 58,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,834.08 : 137,621.52 = 39,225.12 : x
  2. Step 2: Convert to fraction form
    91,834.08/137,621.52 = 39,225.12/x
  3. Step 3: Cross multiply
    91,834.08x = 137,621.52 × 39,225.12
  4. Step 4: Simplify right side
    91,834.08x = 5,398,220,636.58
  5. Step 5: Solve for x
    x = 5,398,220,636.58/91,834.08
  6. Step 6: Final answer
    x = 58,782.32

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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.