Home / 152,205.47-210,043.80-84,225.31

Finding the Fourth Proportional to 152,205.47, 210,043.80 and 84,225.31

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Solution

The fourth proportional to 152,205.47, 210,043.80 and 84,225.31 is: 116,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,205.47 : 210,043.80 = 84,225.31 : x
  2. Step 2: Convert to fraction form
    152,205.47/210,043.80 = 84,225.31/x
  3. Step 3: Cross multiply
    152,205.47x = 210,043.80 × 84,225.31
  4. Step 4: Simplify right side
    152,205.47x = 17,691,003,118.36
  5. Step 5: Solve for x
    x = 17,691,003,118.36/152,205.47
  6. Step 6: Final answer
    x = 116,231.06

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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.