Home / 153,943.70-212,589.02-145,557.01

Finding the Fourth Proportional to 153,943.70, 212,589.02 and 145,557.01

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Solution

The fourth proportional to 153,943.70, 212,589.02 and 145,557.01 is: 201,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,943.70 : 212,589.02 = 145,557.01 : x
  2. Step 2: Convert to fraction form
    153,943.70/212,589.02 = 145,557.01/x
  3. Step 3: Cross multiply
    153,943.70x = 212,589.02 × 145,557.01
  4. Step 4: Simplify right side
    153,943.70x = 30,943,822,110.03
  5. Step 5: Solve for x
    x = 30,943,822,110.03/153,943.70
  6. Step 6: Final answer
    x = 201,007.39

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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.