Home / 152,764.95-210,817.91-84,786.31

Finding the Fourth Proportional to 152,764.95, 210,817.91 and 84,786.31

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Solution

The fourth proportional to 152,764.95, 210,817.91 and 84,786.31 is: 117,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,764.95 : 210,817.91 = 84,786.31 : x
  2. Step 2: Convert to fraction form
    152,764.95/210,817.91 = 84,786.31/x
  3. Step 3: Cross multiply
    152,764.95x = 210,817.91 × 84,786.31
  4. Step 4: Simplify right side
    152,764.95x = 17,874,471,192.79
  5. Step 5: Solve for x
    x = 17,874,471,192.79/152,764.95
  6. Step 6: Final answer
    x = 117,006.36

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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.