Home / 180,927.77-249,710.22-100,381.23

Finding the Fourth Proportional to 180,927.77, 249,710.22 and 100,381.23

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Solution

The fourth proportional to 180,927.77, 249,710.22 and 100,381.23 is: 138,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,927.77 : 249,710.22 = 100,381.23 : x
  2. Step 2: Convert to fraction form
    180,927.77/249,710.22 = 100,381.23/x
  3. Step 3: Cross multiply
    180,927.77x = 249,710.22 × 100,381.23
  4. Step 4: Simplify right side
    180,927.77x = 25,066,219,027.17
  5. Step 5: Solve for x
    x = 25,066,219,027.17/180,927.77
  6. Step 6: Final answer
    x = 138,542.68

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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.