Home / 156,085.50-215,397.99-84,465.52

Finding the Fourth Proportional to 156,085.50, 215,397.99 and 84,465.52

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Solution

The fourth proportional to 156,085.50, 215,397.99 and 84,465.52 is: 116,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,085.50 : 215,397.99 = 84,465.52 : x
  2. Step 2: Convert to fraction form
    156,085.50/215,397.99 = 84,465.52/x
  3. Step 3: Cross multiply
    156,085.50x = 215,397.99 × 84,465.52
  4. Step 4: Simplify right side
    156,085.50x = 18,193,703,501.55
  5. Step 5: Solve for x
    x = 18,193,703,501.55/156,085.50
  6. Step 6: Final answer
    x = 116,562.42

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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.