Home / 177,631.02-245,130.69-101,146.14

Finding the Fourth Proportional to 177,631.02, 245,130.69 and 101,146.14

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Solution

The fourth proportional to 177,631.02, 245,130.69 and 101,146.14 is: 139,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,631.02 : 245,130.69 = 101,146.14 : x
  2. Step 2: Convert to fraction form
    177,631.02/245,130.69 = 101,146.14/x
  3. Step 3: Cross multiply
    177,631.02x = 245,130.69 × 101,146.14
  4. Step 4: Simplify right side
    177,631.02x = 24,794,023,089.04
  5. Step 5: Solve for x
    x = 24,794,023,089.04/177,631.02
  6. Step 6: Final answer
    x = 139,581.61

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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.