Home / 180,820.37-249,526.64-100,243.19

Finding the Fourth Proportional to 180,820.37, 249,526.64 and 100,243.19

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Solution

The fourth proportional to 180,820.37, 249,526.64 and 100,243.19 is: 138,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,820.37 : 249,526.64 = 100,243.19 : x
  2. Step 2: Convert to fraction form
    180,820.37/249,526.64 = 100,243.19/x
  3. Step 3: Cross multiply
    180,820.37x = 249,526.64 × 100,243.19
  4. Step 4: Simplify right side
    180,820.37x = 25,013,347,258.01
  5. Step 5: Solve for x
    x = 25,013,347,258.01/180,820.37
  6. Step 6: Final answer
    x = 138,332.57

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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.