Home / 180,530.64-249,140.06-99,958.14

Finding the Fourth Proportional to 180,530.64, 249,140.06 and 99,958.14

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Solution

The fourth proportional to 180,530.64, 249,140.06 and 99,958.14 is: 137,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,530.64 : 249,140.06 = 99,958.14 : x
  2. Step 2: Convert to fraction form
    180,530.64/249,140.06 = 99,958.14/x
  3. Step 3: Cross multiply
    180,530.64x = 249,140.06 × 99,958.14
  4. Step 4: Simplify right side
    180,530.64x = 24,903,576,497.30
  5. Step 5: Solve for x
    x = 24,903,576,497.30/180,530.64
  6. Step 6: Final answer
    x = 137,946.54

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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.