Home / 153,948.30-230,714.37-69,603.72

Finding the Fourth Proportional to 153,948.30, 230,714.37 and 69,603.72

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Solution

The fourth proportional to 153,948.30, 230,714.37 and 69,603.72 is: 104,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,948.30 : 230,714.37 = 69,603.72 : x
  2. Step 2: Convert to fraction form
    153,948.30/230,714.37 = 69,603.72/x
  3. Step 3: Cross multiply
    153,948.30x = 230,714.37 × 69,603.72
  4. Step 4: Simplify right side
    153,948.30x = 16,058,578,409.46
  5. Step 5: Solve for x
    x = 16,058,578,409.46/153,948.30
  6. Step 6: Final answer
    x = 104,311.50

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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.