Home / 118,390.08-163,401.12-76,002.24

Finding the Fourth Proportional to 118,390.08, 163,401.12 and 76,002.24

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Solution

The fourth proportional to 118,390.08, 163,401.12 and 76,002.24 is: 104,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,390.08 : 163,401.12 = 76,002.24 : x
  2. Step 2: Convert to fraction form
    118,390.08/163,401.12 = 76,002.24/x
  3. Step 3: Cross multiply
    118,390.08x = 163,401.12 × 76,002.24
  4. Step 4: Simplify right side
    118,390.08x = 12,418,851,138.51
  5. Step 5: Solve for x
    x = 12,418,851,138.51/118,390.08
  6. Step 6: Final answer
    x = 104,897.73

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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.