Home / 157,049.37-216,727.13-85,429.67

Finding the Fourth Proportional to 157,049.37, 216,727.13 and 85,429.67

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Solution

The fourth proportional to 157,049.37, 216,727.13 and 85,429.67 is: 117,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,049.37 : 216,727.13 = 85,429.67 : x
  2. Step 2: Convert to fraction form
    157,049.37/216,727.13 = 85,429.67/x
  3. Step 3: Cross multiply
    157,049.37x = 216,727.13 × 85,429.67
  4. Step 4: Simplify right side
    157,049.37x = 18,514,925,685.16
  5. Step 5: Solve for x
    x = 18,514,925,685.16/157,049.37
  6. Step 6: Final answer
    x = 117,892.39

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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.