Home / 282,571.20-423,856.80-124,718.40

Finding the Fourth Proportional to 282,571.20, 423,856.80 and 124,718.40

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Solution

The fourth proportional to 282,571.20, 423,856.80 and 124,718.40 is: 187,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,571.20 : 423,856.80 = 124,718.40 : x
  2. Step 2: Convert to fraction form
    282,571.20/423,856.80 = 124,718.40/x
  3. Step 3: Cross multiply
    282,571.20x = 423,856.80 × 124,718.40
  4. Step 4: Simplify right side
    282,571.20x = 52,862,741,925.12
  5. Step 5: Solve for x
    x = 52,862,741,925.12/282,571.20
  6. Step 6: Final answer
    x = 187,077.60

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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.