Home / 189,325.34-261,264.76-104,442.38

Finding the Fourth Proportional to 189,325.34, 261,264.76 and 104,442.38

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Solution

The fourth proportional to 189,325.34, 261,264.76 and 104,442.38 is: 144,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,325.34 : 261,264.76 = 104,442.38 : x
  2. Step 2: Convert to fraction form
    189,325.34/261,264.76 = 104,442.38/x
  3. Step 3: Cross multiply
    189,325.34x = 261,264.76 × 104,442.38
  4. Step 4: Simplify right side
    189,325.34x = 27,287,111,777.10
  5. Step 5: Solve for x
    x = 27,287,111,777.10/189,325.34
  6. Step 6: Final answer
    x = 144,128.16

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1.5x scale

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.