Home / 180,799.20-249,501.51-99,126.50

Finding the Fourth Proportional to 180,799.20, 249,501.51 and 99,126.50

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Solution

The fourth proportional to 180,799.20, 249,501.51 and 99,126.50 is: 136,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,799.20 : 249,501.51 = 99,126.50 : x
  2. Step 2: Convert to fraction form
    180,799.20/249,501.51 = 99,126.50/x
  3. Step 3: Cross multiply
    180,799.20x = 249,501.51 × 99,126.50
  4. Step 4: Simplify right side
    180,799.20x = 24,732,210,183.51
  5. Step 5: Solve for x
    x = 24,732,210,183.51/180,799.20
  6. Step 6: Final answer
    x = 136,793.80

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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.