Home / 180,738.32-249,418.40-99,068.56

Finding the Fourth Proportional to 180,738.32, 249,418.40 and 99,068.56

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Solution

The fourth proportional to 180,738.32, 249,418.40 and 99,068.56 is: 136,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,738.32 : 249,418.40 = 99,068.56 : x
  2. Step 2: Convert to fraction form
    180,738.32/249,418.40 = 99,068.56/x
  3. Step 3: Cross multiply
    180,738.32x = 249,418.40 × 99,068.56
  4. Step 4: Simplify right side
    180,738.32x = 24,709,521,725.50
  5. Step 5: Solve for x
    x = 24,709,521,725.50/180,738.32
  6. Step 6: Final answer
    x = 136,714.35

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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.