Home / 90,066.21-124,226.91-63,214.71

Finding the Fourth Proportional to 90,066.21, 124,226.91 and 63,214.71

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Solution

The fourth proportional to 90,066.21, 124,226.91 and 63,214.71 is: 87,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,066.21 : 124,226.91 = 63,214.71 : x
  2. Step 2: Convert to fraction form
    90,066.21/124,226.91 = 63,214.71/x
  3. Step 3: Cross multiply
    90,066.21x = 124,226.91 × 63,214.71
  4. Step 4: Simplify right side
    90,066.21x = 7,852,968,089.85
  5. Step 5: Solve for x
    x = 7,852,968,089.85/90,066.21
  6. Step 6: Final answer
    x = 87,191.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.