Home / 249,998.90-375,037.31-81,480.13

Finding the Fourth Proportional to 249,998.90, 375,037.31 and 81,480.13

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Solution

The fourth proportional to 249,998.90, 375,037.31 and 81,480.13 is: 122,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,998.90 : 375,037.31 = 81,480.13 : x
  2. Step 2: Convert to fraction form
    249,998.90/375,037.31 = 81,480.13/x
  3. Step 3: Cross multiply
    249,998.90x = 375,037.31 × 81,480.13
  4. Step 4: Simplify right side
    249,998.90x = 30,558,088,039.76
  5. Step 5: Solve for x
    x = 30,558,088,039.76/249,998.90
  6. Step 6: Final answer
    x = 122,232.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.