Home / 282,102.06-423,153.55-99,868.46

Finding the Fourth Proportional to 282,102.06, 423,153.55 and 99,868.46

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Solution

The fourth proportional to 282,102.06, 423,153.55 and 99,868.46 is: 149,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,102.06 : 423,153.55 = 99,868.46 : x
  2. Step 2: Convert to fraction form
    282,102.06/423,153.55 = 99,868.46/x
  3. Step 3: Cross multiply
    282,102.06x = 423,153.55 × 99,868.46
  4. Step 4: Simplify right side
    282,102.06x = 42,259,693,382.03
  5. Step 5: Solve for x
    x = 42,259,693,382.03/282,102.06
  6. Step 6: Final answer
    x = 149,802.85

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1.5x scale

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.