Home / 152,785.38-210,882.58-104,406.90

Finding the Fourth Proportional to 152,785.38, 210,882.58 and 104,406.90

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Solution

The fourth proportional to 152,785.38, 210,882.58 and 104,406.90 is: 144,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,785.38 : 210,882.58 = 104,406.90 : x
  2. Step 2: Convert to fraction form
    152,785.38/210,882.58 = 104,406.90/x
  3. Step 3: Cross multiply
    152,785.38x = 210,882.58 × 104,406.90
  4. Step 4: Simplify right side
    152,785.38x = 22,017,596,441.80
  5. Step 5: Solve for x
    x = 22,017,596,441.80/152,785.38
  6. Step 6: Final answer
    x = 144,108.01

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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.