Home / 141,388.02-212,056.47-57,145.14

Finding the Fourth Proportional to 141,388.02, 212,056.47 and 57,145.14

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Solution

The fourth proportional to 141,388.02, 212,056.47 and 57,145.14 is: 85,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,388.02 : 212,056.47 = 57,145.14 : x
  2. Step 2: Convert to fraction form
    141,388.02/212,056.47 = 57,145.14/x
  3. Step 3: Cross multiply
    141,388.02x = 212,056.47 × 57,145.14
  4. Step 4: Simplify right side
    141,388.02x = 12,117,996,666.06
  5. Step 5: Solve for x
    x = 12,117,996,666.06/141,388.02
  6. Step 6: Final answer
    x = 85,707.38

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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.