Home / 151,871.02-209,581.02-83,892.40

Finding the Fourth Proportional to 151,871.02, 209,581.02 and 83,892.40

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Solution

The fourth proportional to 151,871.02, 209,581.02 and 83,892.40 is: 115,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,871.02 : 209,581.02 = 83,892.40 : x
  2. Step 2: Convert to fraction form
    151,871.02/209,581.02 = 83,892.40/x
  3. Step 3: Cross multiply
    151,871.02x = 209,581.02 × 83,892.40
  4. Step 4: Simplify right side
    151,871.02x = 17,582,254,762.25
  5. Step 5: Solve for x
    x = 17,582,254,762.25/151,871.02
  6. Step 6: Final answer
    x = 115,770.97

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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.