Home / 152,385.04-210,282.10-84,397.94

Finding the Fourth Proportional to 152,385.04, 210,282.10 and 84,397.94

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Solution

The fourth proportional to 152,385.04, 210,282.10 and 84,397.94 is: 116,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,385.04 : 210,282.10 = 84,397.94 : x
  2. Step 2: Convert to fraction form
    152,385.04/210,282.10 = 84,397.94/x
  3. Step 3: Cross multiply
    152,385.04x = 210,282.10 × 84,397.94
  4. Step 4: Simplify right side
    152,385.04x = 17,747,375,744.16
  5. Step 5: Solve for x
    x = 17,747,375,744.16/152,385.04
  6. Step 6: Final answer
    x = 116,464.03

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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.