Home / 178,279.90-245,884.54-151,511.02

Finding the Fourth Proportional to 178,279.90, 245,884.54 and 151,511.02

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Solution

The fourth proportional to 178,279.90, 245,884.54 and 151,511.02 is: 208,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,279.90 : 245,884.54 = 151,511.02 : x
  2. Step 2: Convert to fraction form
    178,279.90/245,884.54 = 151,511.02/x
  3. Step 3: Cross multiply
    178,279.90x = 245,884.54 × 151,511.02
  4. Step 4: Simplify right side
    178,279.90x = 37,254,217,457.63
  5. Step 5: Solve for x
    x = 37,254,217,457.63/178,279.90
  6. Step 6: Final answer
    x = 208,964.77

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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.