Home / 152,785.04-210,840.19-84,798.03

Finding the Fourth Proportional to 152,785.04, 210,840.19 and 84,798.03

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Solution

The fourth proportional to 152,785.04, 210,840.19 and 84,798.03 is: 117,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,785.04 : 210,840.19 = 84,798.03 : x
  2. Step 2: Convert to fraction form
    152,785.04/210,840.19 = 84,798.03/x
  3. Step 3: Cross multiply
    152,785.04x = 210,840.19 × 84,798.03
  4. Step 4: Simplify right side
    152,785.04x = 17,878,832,544.83
  5. Step 5: Solve for x
    x = 17,878,832,544.83/152,785.04
  6. Step 6: Final answer
    x = 117,019.52

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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.