Home / 157,341.46-217,125.44-85,719.95

Finding the Fourth Proportional to 157,341.46, 217,125.44 and 85,719.95

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Solution

The fourth proportional to 157,341.46, 217,125.44 and 85,719.95 is: 118,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,341.46 : 217,125.44 = 85,719.95 : x
  2. Step 2: Convert to fraction form
    157,341.46/217,125.44 = 85,719.95/x
  3. Step 3: Cross multiply
    157,341.46x = 217,125.44 × 85,719.95
  4. Step 4: Simplify right side
    157,341.46x = 18,611,980,630.22
  5. Step 5: Solve for x
    x = 18,611,980,630.22/157,341.46
  6. Step 6: Final answer
    x = 118,290.38

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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.