Home / 189,122.07-260,989.58-108,547.53

Finding the Fourth Proportional to 189,122.07, 260,989.58 and 108,547.53

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Solution

The fourth proportional to 189,122.07, 260,989.58 and 108,547.53 is: 149,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,122.07 : 260,989.58 = 108,547.53 : x
  2. Step 2: Convert to fraction form
    189,122.07/260,989.58 = 108,547.53/x
  3. Step 3: Cross multiply
    189,122.07x = 260,989.58 × 108,547.53
  4. Step 4: Simplify right side
    189,122.07x = 28,329,774,264.74
  5. Step 5: Solve for x
    x = 28,329,774,264.74/189,122.07
  6. Step 6: Final answer
    x = 149,796.24

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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.