Home / 153,038.70-229,558.05-103,272.30

Finding the Fourth Proportional to 153,038.70, 229,558.05 and 103,272.30

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Solution

The fourth proportional to 153,038.70, 229,558.05 and 103,272.30 is: 154,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,038.70 : 229,558.05 = 103,272.30 : x
  2. Step 2: Convert to fraction form
    153,038.70/229,558.05 = 103,272.30/x
  3. Step 3: Cross multiply
    153,038.70x = 229,558.05 × 103,272.30
  4. Step 4: Simplify right side
    153,038.70x = 23,706,987,807.02
  5. Step 5: Solve for x
    x = 23,706,987,807.02/153,038.70
  6. Step 6: Final answer
    x = 154,908.45

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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.