Home / 152,622.48-210,619.05-84,649.86

Finding the Fourth Proportional to 152,622.48, 210,619.05 and 84,649.86

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Solution

The fourth proportional to 152,622.48, 210,619.05 and 84,649.86 is: 116,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,622.48 : 210,619.05 = 84,649.86 : x
  2. Step 2: Convert to fraction form
    152,622.48/210,619.05 = 84,649.86/x
  3. Step 3: Cross multiply
    152,622.48x = 210,619.05 × 84,649.86
  4. Step 4: Simplify right side
    152,622.48x = 17,828,873,095.83
  5. Step 5: Solve for x
    x = 17,828,873,095.83/152,622.48
  6. Step 6: Final answer
    x = 116,816.82

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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.