Home / 180,624.12-249,263.28-100,052.88

Finding the Fourth Proportional to 180,624.12, 249,263.28 and 100,052.88

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Solution

The fourth proportional to 180,624.12, 249,263.28 and 100,052.88 is: 138,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,624.12 : 249,263.28 = 100,052.88 : x
  2. Step 2: Convert to fraction form
    180,624.12/249,263.28 = 100,052.88/x
  3. Step 3: Cross multiply
    180,624.12x = 249,263.28 × 100,052.88
  4. Step 4: Simplify right side
    180,624.12x = 24,939,509,042.25
  5. Step 5: Solve for x
    x = 24,939,509,042.25/180,624.12
  6. Step 6: Final answer
    x = 138,074.08

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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.