Home / 155,936.16-215,192.03-84,316.23

Finding the Fourth Proportional to 155,936.16, 215,192.03 and 84,316.23

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Solution

The fourth proportional to 155,936.16, 215,192.03 and 84,316.23 is: 116,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,936.16 : 215,192.03 = 84,316.23 : x
  2. Step 2: Convert to fraction form
    155,936.16/215,192.03 = 84,316.23/x
  3. Step 3: Cross multiply
    155,936.16x = 215,192.03 × 84,316.23
  4. Step 4: Simplify right side
    155,936.16x = 18,144,180,274.07
  5. Step 5: Solve for x
    x = 18,144,180,274.07/155,936.16
  6. Step 6: Final answer
    x = 116,356.46

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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.