Home / 187,032.40-280,548.60-112,382.80

Finding the Fourth Proportional to 187,032.40, 280,548.60 and 112,382.80

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Solution

The fourth proportional to 187,032.40, 280,548.60 and 112,382.80 is: 168,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,032.40 : 280,548.60 = 112,382.80 : x
  2. Step 2: Convert to fraction form
    187,032.40/280,548.60 = 112,382.80/x
  3. Step 3: Cross multiply
    187,032.40x = 280,548.60 × 112,382.80
  4. Step 4: Simplify right side
    187,032.40x = 31,528,837,204.08
  5. Step 5: Solve for x
    x = 31,528,837,204.08/187,032.40
  6. Step 6: Final answer
    x = 168,574.20

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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.