Home / 156,154.26-215,492.84-84,534.23

Finding the Fourth Proportional to 156,154.26, 215,492.84 and 84,534.23

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Solution

The fourth proportional to 156,154.26, 215,492.84 and 84,534.23 is: 116,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,154.26 : 215,492.84 = 84,534.23 : x
  2. Step 2: Convert to fraction form
    156,154.26/215,492.84 = 84,534.23/x
  3. Step 3: Cross multiply
    156,154.26x = 215,492.84 × 84,534.23
  4. Step 4: Simplify right side
    156,154.26x = 18,216,521,732.98
  5. Step 5: Solve for x
    x = 18,216,521,732.98/156,154.26
  6. Step 6: Final answer
    x = 116,657.22

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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.