Home / 153,267.24-230,032.08-86,772.72

Finding the Fourth Proportional to 153,267.24, 230,032.08 and 86,772.72

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Solution

The fourth proportional to 153,267.24, 230,032.08 and 86,772.72 is: 130,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,267.24 : 230,032.08 = 86,772.72 : x
  2. Step 2: Convert to fraction form
    153,267.24/230,032.08 = 86,772.72/x
  3. Step 3: Cross multiply
    153,267.24x = 230,032.08 × 86,772.72
  4. Step 4: Simplify right side
    153,267.24x = 19,960,509,268.86
  5. Step 5: Solve for x
    x = 19,960,509,268.86/153,267.24
  6. Step 6: Final answer
    x = 130,233.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.