Home / 134,702.30-185,890.48-74,275.36

Finding the Fourth Proportional to 134,702.30, 185,890.48 and 74,275.36

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Solution

The fourth proportional to 134,702.30, 185,890.48 and 74,275.36 is: 102,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,702.30 : 185,890.48 = 74,275.36 : x
  2. Step 2: Convert to fraction form
    134,702.30/185,890.48 = 74,275.36/x
  3. Step 3: Cross multiply
    134,702.30x = 185,890.48 × 74,275.36
  4. Step 4: Simplify right side
    134,702.30x = 13,807,082,322.57
  5. Step 5: Solve for x
    x = 13,807,082,322.57/134,702.30
  6. Step 6: Final answer
    x = 102,500.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.