Home / 152,718.07-210,776.22-84,756.87

Finding the Fourth Proportional to 152,718.07, 210,776.22 and 84,756.87

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Solution

The fourth proportional to 152,718.07, 210,776.22 and 84,756.87 is: 116,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,718.07 : 210,776.22 = 84,756.87 : x
  2. Step 2: Convert to fraction form
    152,718.07/210,776.22 = 84,756.87/x
  3. Step 3: Cross multiply
    152,718.07x = 210,776.22 × 84,756.87
  4. Step 4: Simplify right side
    152,718.07x = 17,864,732,253.85
  5. Step 5: Solve for x
    x = 17,864,732,253.85/152,718.07
  6. Step 6: Final answer
    x = 116,978.51

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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.