Home / 134,977.30-186,270.46-74,547.76

Finding the Fourth Proportional to 134,977.30, 186,270.46 and 74,547.76

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Solution

The fourth proportional to 134,977.30, 186,270.46 and 74,547.76 is: 102,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,977.30 : 186,270.46 = 74,547.76 : x
  2. Step 2: Convert to fraction form
    134,977.30/186,270.46 = 74,547.76/x
  3. Step 3: Cross multiply
    134,977.30x = 186,270.46 × 74,547.76
  4. Step 4: Simplify right side
    134,977.30x = 13,886,045,547.17
  5. Step 5: Solve for x
    x = 13,886,045,547.17/134,977.30
  6. Step 6: Final answer
    x = 102,876.90

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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.