Home / 156,024.30-215,312.88-84,404.14

Finding the Fourth Proportional to 156,024.30, 215,312.88 and 84,404.14

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Solution

The fourth proportional to 156,024.30, 215,312.88 and 84,404.14 is: 116,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,024.30 : 215,312.88 = 84,404.14 : x
  2. Step 2: Convert to fraction form
    156,024.30/215,312.88 = 84,404.14/x
  3. Step 3: Cross multiply
    156,024.30x = 215,312.88 × 84,404.14
  4. Step 4: Simplify right side
    156,024.30x = 18,173,298,467.32
  5. Step 5: Solve for x
    x = 18,173,298,467.32/156,024.30
  6. Step 6: Final answer
    x = 116,477.36

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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.