Home / 180,513.09-249,110.03-99,942.05

Finding the Fourth Proportional to 180,513.09, 249,110.03 and 99,942.05

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Solution

The fourth proportional to 180,513.09, 249,110.03 and 99,942.05 is: 137,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,513.09 : 249,110.03 = 99,942.05 : x
  2. Step 2: Convert to fraction form
    180,513.09/249,110.03 = 99,942.05/x
  3. Step 3: Cross multiply
    180,513.09x = 249,110.03 × 99,942.05
  4. Step 4: Simplify right side
    180,513.09x = 24,896,567,946.39
  5. Step 5: Solve for x
    x = 24,896,567,946.39/180,513.09
  6. Step 6: Final answer
    x = 137,921.12

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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.