Home / 141,775.02-195,677.82-81,386.46

Finding the Fourth Proportional to 141,775.02, 195,677.82 and 81,386.46

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Solution

The fourth proportional to 141,775.02, 195,677.82 and 81,386.46 is: 112,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,775.02 : 195,677.82 = 81,386.46 : x
  2. Step 2: Convert to fraction form
    141,775.02/195,677.82 = 81,386.46/x
  3. Step 3: Cross multiply
    141,775.02x = 195,677.82 × 81,386.46
  4. Step 4: Simplify right side
    141,775.02x = 15,925,525,070.32
  5. Step 5: Solve for x
    x = 15,925,525,070.32/141,775.02
  6. Step 6: Final answer
    x = 112,329.56

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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.