Home / 153,309.02-229,963.59-68,970.69

Finding the Fourth Proportional to 153,309.02, 229,963.59 and 68,970.69

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Solution

The fourth proportional to 153,309.02, 229,963.59 and 68,970.69 is: 103,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,309.02 : 229,963.59 = 68,970.69 : x
  2. Step 2: Convert to fraction form
    153,309.02/229,963.59 = 68,970.69/x
  3. Step 3: Cross multiply
    153,309.02x = 229,963.59 × 68,970.69
  4. Step 4: Simplify right side
    153,309.02x = 15,860,747,477.18
  5. Step 5: Solve for x
    x = 15,860,747,477.18/153,309.02
  6. Step 6: Final answer
    x = 103,456.07

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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.