Home / 180,756.05-249,439.47-100,182.84

Finding the Fourth Proportional to 180,756.05, 249,439.47 and 100,182.84

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Solution

The fourth proportional to 180,756.05, 249,439.47 and 100,182.84 is: 138,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,756.05 : 249,439.47 = 100,182.84 : x
  2. Step 2: Convert to fraction form
    180,756.05/249,439.47 = 100,182.84/x
  3. Step 3: Cross multiply
    180,756.05x = 249,439.47 × 100,182.84
  4. Step 4: Simplify right side
    180,756.05x = 24,989,554,512.69
  5. Step 5: Solve for x
    x = 24,989,554,512.69/180,756.05
  6. Step 6: Final answer
    x = 138,250.17

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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.