Home / 215,582.16-297,510.12-123,718.24

Finding the Fourth Proportional to 215,582.16, 297,510.12 and 123,718.24

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Solution

The fourth proportional to 215,582.16, 297,510.12 and 123,718.24 is: 170,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,582.16 : 297,510.12 = 123,718.24 : x
  2. Step 2: Convert to fraction form
    215,582.16/297,510.12 = 123,718.24/x
  3. Step 3: Cross multiply
    215,582.16x = 297,510.12 × 123,718.24
  4. Step 4: Simplify right side
    215,582.16x = 36,807,428,428.59
  5. Step 5: Solve for x
    x = 36,807,428,428.59/215,582.16
  6. Step 6: Final answer
    x = 170,735.04

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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.