Home / 189,445.95-261,437.58-104,563.08

Finding the Fourth Proportional to 189,445.95, 261,437.58 and 104,563.08

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Solution

The fourth proportional to 189,445.95, 261,437.58 and 104,563.08 is: 144,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,445.95 : 261,437.58 = 104,563.08 : x
  2. Step 2: Convert to fraction form
    189,445.95/261,437.58 = 104,563.08/x
  3. Step 3: Cross multiply
    189,445.95x = 261,437.58 × 104,563.08
  4. Step 4: Simplify right side
    189,445.95x = 27,336,718,592.55
  5. Step 5: Solve for x
    x = 27,336,718,592.55/189,445.95
  6. Step 6: Final answer
    x = 144,298.25

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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.