Home / 152,335.05-210,219.79-84,350.56

Finding the Fourth Proportional to 152,335.05, 210,219.79 and 84,350.56

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Solution

The fourth proportional to 152,335.05, 210,219.79 and 84,350.56 is: 116,402.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,335.05 : 210,219.79 = 84,350.56 : x
  2. Step 2: Convert to fraction form
    152,335.05/210,219.79 = 84,350.56/x
  3. Step 3: Cross multiply
    152,335.05x = 210,219.79 × 84,350.56
  4. Step 4: Simplify right side
    152,335.05x = 17,732,157,009.58
  5. Step 5: Solve for x
    x = 17,732,157,009.58/152,335.05
  6. Step 6: Final answer
    x = 116,402.34

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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.