Home / 131,646.04-197,448.78-42,899.32

Finding the Fourth Proportional to 131,646.04, 197,448.78 and 42,899.32

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Solution

The fourth proportional to 131,646.04, 197,448.78 and 42,899.32 is: 64,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,646.04 : 197,448.78 = 42,899.32 : x
  2. Step 2: Convert to fraction form
    131,646.04/197,448.78 = 42,899.32/x
  3. Step 3: Cross multiply
    131,646.04x = 197,448.78 × 42,899.32
  4. Step 4: Simplify right side
    131,646.04x = 8,470,418,396.83
  5. Step 5: Solve for x
    x = 8,470,418,396.83/131,646.04
  6. Step 6: Final answer
    x = 64,342.37

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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.