Home / 101,946.10-140,687.50-56,628.28

Finding the Fourth Proportional to 101,946.10, 140,687.50 and 56,628.28

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Solution

The fourth proportional to 101,946.10, 140,687.50 and 56,628.28 is: 78,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,946.10 : 140,687.50 = 56,628.28 : x
  2. Step 2: Convert to fraction form
    101,946.10/140,687.50 = 56,628.28/x
  3. Step 3: Cross multiply
    101,946.10x = 140,687.50 × 56,628.28
  4. Step 4: Simplify right side
    101,946.10x = 7,966,891,142.50
  5. Step 5: Solve for x
    x = 7,966,891,142.50/101,946.10
  6. Step 6: Final answer
    x = 78,148.07

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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.