Home / 180,845.74-249,592.96-100,291.18

Finding the Fourth Proportional to 180,845.74, 249,592.96 and 100,291.18

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Solution

The fourth proportional to 180,845.74, 249,592.96 and 100,291.18 is: 138,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,845.74 : 249,592.96 = 100,291.18 : x
  2. Step 2: Convert to fraction form
    180,845.74/249,592.96 = 100,291.18/x
  3. Step 3: Cross multiply
    180,845.74x = 249,592.96 × 100,291.18
  4. Step 4: Simplify right side
    180,845.74x = 25,031,972,478.09
  5. Step 5: Solve for x
    x = 25,031,972,478.09/180,845.74
  6. Step 6: Final answer
    x = 138,416.16

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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.