Home / 180,676.48-249,314.56-100,102.08

Finding the Fourth Proportional to 180,676.48, 249,314.56 and 100,102.08

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Solution

The fourth proportional to 180,676.48, 249,314.56 and 100,102.08 is: 138,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,676.48 : 249,314.56 = 100,102.08 : x
  2. Step 2: Convert to fraction form
    180,676.48/249,314.56 = 100,102.08/x
  3. Step 3: Cross multiply
    180,676.48x = 249,314.56 × 100,102.08
  4. Step 4: Simplify right side
    180,676.48x = 24,956,906,030.28
  5. Step 5: Solve for x
    x = 24,956,906,030.28/180,676.48
  6. Step 6: Final answer
    x = 138,130.35

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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.