Home / 210,013.11-289,807.58-119,357.10

Finding the Fourth Proportional to 210,013.11, 289,807.58 and 119,357.10

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Solution

The fourth proportional to 210,013.11, 289,807.58 and 119,357.10 is: 164,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,013.11 : 289,807.58 = 119,357.10 : x
  2. Step 2: Convert to fraction form
    210,013.11/289,807.58 = 119,357.10/x
  3. Step 3: Cross multiply
    210,013.11x = 289,807.58 × 119,357.10
  4. Step 4: Simplify right side
    210,013.11x = 34,590,591,710.03
  5. Step 5: Solve for x
    x = 34,590,591,710.03/210,013.11
  6. Step 6: Final answer
    x = 164,706.82

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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.