Home / 358,128.12-537,133.79-105,349.49

Finding the Fourth Proportional to 358,128.12, 537,133.79 and 105,349.49

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Solution

The fourth proportional to 358,128.12, 537,133.79 and 105,349.49 is: 158,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,128.12 : 537,133.79 = 105,349.49 : x
  2. Step 2: Convert to fraction form
    358,128.12/537,133.79 = 105,349.49/x
  3. Step 3: Cross multiply
    358,128.12x = 537,133.79 × 105,349.49
  4. Step 4: Simplify right side
    358,128.12x = 56,586,770,838.27
  5. Step 5: Solve for x
    x = 56,586,770,838.27/358,128.12
  6. Step 6: Final answer
    x = 158,007.06

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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.