Home / 155,147.04-232,715.91-42,834.12

Finding the Fourth Proportional to 155,147.04, 232,715.91 and 42,834.12

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Solution

The fourth proportional to 155,147.04, 232,715.91 and 42,834.12 is: 64,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,147.04 : 232,715.91 = 42,834.12 : x
  2. Step 2: Convert to fraction form
    155,147.04/232,715.91 = 42,834.12/x
  3. Step 3: Cross multiply
    155,147.04x = 232,715.91 × 42,834.12
  4. Step 4: Simplify right side
    155,147.04x = 9,968,181,214.85
  5. Step 5: Solve for x
    x = 9,968,181,214.85/155,147.04
  6. Step 6: Final answer
    x = 64,249.90

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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.