Home / 180,621.63-249,246.89-100,044.45

Finding the Fourth Proportional to 180,621.63, 249,246.89 and 100,044.45

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Solution

The fourth proportional to 180,621.63, 249,246.89 and 100,044.45 is: 138,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,621.63 : 249,246.89 = 100,044.45 : x
  2. Step 2: Convert to fraction form
    180,621.63/249,246.89 = 100,044.45/x
  3. Step 3: Cross multiply
    180,621.63x = 249,246.89 × 100,044.45
  4. Step 4: Simplify right side
    180,621.63x = 24,935,767,524.04
  5. Step 5: Solve for x
    x = 24,935,767,524.04/180,621.63
  6. Step 6: Final answer
    x = 138,055.27

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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.