Home / 176,058.20-242,955.70-100,606.68

Finding the Fourth Proportional to 176,058.20, 242,955.70 and 100,606.68

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Solution

The fourth proportional to 176,058.20, 242,955.70 and 100,606.68 is: 138,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,058.20 : 242,955.70 = 100,606.68 : x
  2. Step 2: Convert to fraction form
    176,058.20/242,955.70 = 100,606.68/x
  3. Step 3: Cross multiply
    176,058.20x = 242,955.70 × 100,606.68
  4. Step 4: Simplify right side
    176,058.20x = 24,442,966,364.08
  5. Step 5: Solve for x
    x = 24,442,966,364.08/176,058.20
  6. Step 6: Final answer
    x = 138,834.58

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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.