Home / 156,746.80-216,309.90-85,126.24

Finding the Fourth Proportional to 156,746.80, 216,309.90 and 85,126.24

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Solution

The fourth proportional to 156,746.80, 216,309.90 and 85,126.24 is: 117,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.80 : 216,309.90 = 85,126.24 : x
  2. Step 2: Convert to fraction form
    156,746.80/216,309.90 = 85,126.24/x
  3. Step 3: Cross multiply
    156,746.80x = 216,309.90 × 85,126.24
  4. Step 4: Simplify right side
    156,746.80x = 18,413,648,461.78
  5. Step 5: Solve for x
    x = 18,413,648,461.78/156,746.80
  6. Step 6: Final answer
    x = 117,473.84

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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.