Home / 358,127.12-537,132.29-105,348.49

Finding the Fourth Proportional to 358,127.12, 537,132.29 and 105,348.49

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Solution

The fourth proportional to 358,127.12, 537,132.29 and 105,348.49 is: 158,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,127.12 : 537,132.29 = 105,348.49 : x
  2. Step 2: Convert to fraction form
    358,127.12/537,132.29 = 105,348.49/x
  3. Step 3: Cross multiply
    358,127.12x = 537,132.29 × 105,348.49
  4. Step 4: Simplify right side
    358,127.12x = 56,586,076,211.73
  5. Step 5: Solve for x
    x = 56,586,076,211.73/358,127.12
  6. Step 6: Final answer
    x = 158,005.56

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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.