Home / 145,428.04-200,623.34-85,001.24

Finding the Fourth Proportional to 145,428.04, 200,623.34 and 85,001.24

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Solution

The fourth proportional to 145,428.04, 200,623.34 and 85,001.24 is: 117,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,428.04 : 200,623.34 = 85,001.24 : x
  2. Step 2: Convert to fraction form
    145,428.04/200,623.34 = 85,001.24/x
  3. Step 3: Cross multiply
    145,428.04x = 200,623.34 × 85,001.24
  4. Step 4: Simplify right side
    145,428.04x = 17,053,232,672.94
  5. Step 5: Solve for x
    x = 17,053,232,672.94/145,428.04
  6. Step 6: Final answer
    x = 117,262.34

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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.