Home / 105,384.68-158,077.02-43,055.18

Finding the Fourth Proportional to 105,384.68, 158,077.02 and 43,055.18

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Solution

The fourth proportional to 105,384.68, 158,077.02 and 43,055.18 is: 64,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,384.68 : 158,077.02 = 43,055.18 : x
  2. Step 2: Convert to fraction form
    105,384.68/158,077.02 = 43,055.18/x
  3. Step 3: Cross multiply
    105,384.68x = 158,077.02 × 43,055.18
  4. Step 4: Simplify right side
    105,384.68x = 6,806,034,549.96
  5. Step 5: Solve for x
    x = 6,806,034,549.96/105,384.68
  6. Step 6: Final answer
    x = 64,582.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.