Home / 145,899.91-218,849.88-112,668.45

Finding the Fourth Proportional to 145,899.91, 218,849.88 and 112,668.45

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Solution

The fourth proportional to 145,899.91, 218,849.88 and 112,668.45 is: 169,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,899.91 : 218,849.88 = 112,668.45 : x
  2. Step 2: Convert to fraction form
    145,899.91/218,849.88 = 112,668.45/x
  3. Step 3: Cross multiply
    145,899.91x = 218,849.88 × 112,668.45
  4. Step 4: Simplify right side
    145,899.91x = 24,657,476,762.29
  5. Step 5: Solve for x
    x = 24,657,476,762.29/145,899.91
  6. Step 6: Final answer
    x = 169,002.69

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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.