Home / 105,000.17-144,901.71-57,254.31

Finding the Fourth Proportional to 105,000.17, 144,901.71 and 57,254.31

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Solution

The fourth proportional to 105,000.17, 144,901.71 and 57,254.31 is: 79,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,000.17 : 144,901.71 = 57,254.31 : x
  2. Step 2: Convert to fraction form
    105,000.17/144,901.71 = 57,254.31/x
  3. Step 3: Cross multiply
    105,000.17x = 144,901.71 × 57,254.31
  4. Step 4: Simplify right side
    105,000.17x = 8,296,247,423.87
  5. Step 5: Solve for x
    x = 8,296,247,423.87/105,000.17
  6. Step 6: Final answer
    x = 79,011.76

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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.