Home / 187,095.90-280,643.85-112,446.30

Finding the Fourth Proportional to 187,095.90, 280,643.85 and 112,446.30

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Solution

The fourth proportional to 187,095.90, 280,643.85 and 112,446.30 is: 168,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,095.90 : 280,643.85 = 112,446.30 : x
  2. Step 2: Convert to fraction form
    187,095.90/280,643.85 = 112,446.30/x
  3. Step 3: Cross multiply
    187,095.90x = 280,643.85 × 112,446.30
  4. Step 4: Simplify right side
    187,095.90x = 31,557,362,550.26
  5. Step 5: Solve for x
    x = 31,557,362,550.26/187,095.90
  6. Step 6: Final answer
    x = 168,669.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.