Home / 154,730.79-231,702.30-101,980.35

Finding the Fourth Proportional to 154,730.79, 231,702.30 and 101,980.35

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Solution

The fourth proportional to 154,730.79, 231,702.30 and 101,980.35 is: 152,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,730.79 : 231,702.30 = 101,980.35 : x
  2. Step 2: Convert to fraction form
    154,730.79/231,702.30 = 101,980.35/x
  3. Step 3: Cross multiply
    154,730.79x = 231,702.30 × 101,980.35
  4. Step 4: Simplify right side
    154,730.79x = 23,629,081,649.81
  5. Step 5: Solve for x
    x = 23,629,081,649.81/154,730.79
  6. Step 6: Final answer
    x = 152,710.92

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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.