Home / 114,990.01-158,666.47-105,688.62

Finding the Fourth Proportional to 114,990.01, 158,666.47 and 105,688.62

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Solution

The fourth proportional to 114,990.01, 158,666.47 and 105,688.62 is: 145,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,990.01 : 158,666.47 = 105,688.62 : x
  2. Step 2: Convert to fraction form
    114,990.01/158,666.47 = 105,688.62/x
  3. Step 3: Cross multiply
    114,990.01x = 158,666.47 × 105,688.62
  4. Step 4: Simplify right side
    114,990.01x = 16,769,239,990.35
  5. Step 5: Solve for x
    x = 16,769,239,990.35/114,990.01
  6. Step 6: Final answer
    x = 145,832.15

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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.