Home / 112,941.16-155,856.42-69,909.22

Finding the Fourth Proportional to 112,941.16, 155,856.42 and 69,909.22

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Solution

The fourth proportional to 112,941.16, 155,856.42 and 69,909.22 is: 96,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,941.16 : 155,856.42 = 69,909.22 : x
  2. Step 2: Convert to fraction form
    112,941.16/155,856.42 = 69,909.22/x
  3. Step 3: Cross multiply
    112,941.16x = 155,856.42 × 69,909.22
  4. Step 4: Simplify right side
    112,941.16x = 10,895,800,754.19
  5. Step 5: Solve for x
    x = 10,895,800,754.19/112,941.16
  6. Step 6: Final answer
    x = 96,473.25

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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.