Home / 112,812.10-169,218.15-100,564.90

Finding the Fourth Proportional to 112,812.10, 169,218.15 and 100,564.90

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Solution

The fourth proportional to 112,812.10, 169,218.15 and 100,564.90 is: 150,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,812.10 : 169,218.15 = 100,564.90 : x
  2. Step 2: Convert to fraction form
    112,812.10/169,218.15 = 100,564.90/x
  3. Step 3: Cross multiply
    112,812.10x = 169,218.15 × 100,564.90
  4. Step 4: Simplify right side
    112,812.10x = 17,017,406,332.94
  5. Step 5: Solve for x
    x = 17,017,406,332.94/112,812.10
  6. Step 6: Final answer
    x = 150,847.35

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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.