Home / 131,636.46-181,657.18-74,276.21

Finding the Fourth Proportional to 131,636.46, 181,657.18 and 74,276.21

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Solution

The fourth proportional to 131,636.46, 181,657.18 and 74,276.21 is: 102,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,636.46 : 181,657.18 = 74,276.21 : x
  2. Step 2: Convert to fraction form
    131,636.46/181,657.18 = 74,276.21/x
  3. Step 3: Cross multiply
    131,636.46x = 181,657.18 × 74,276.21
  4. Step 4: Simplify right side
    131,636.46x = 13,492,806,849.69
  5. Step 5: Solve for x
    x = 13,492,806,849.69/131,636.46
  6. Step 6: Final answer
    x = 102,500.53

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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.