Home / 145,038.24-200,165.44-84,628.35

Finding the Fourth Proportional to 145,038.24, 200,165.44 and 84,628.35

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Solution

The fourth proportional to 145,038.24, 200,165.44 and 84,628.35 is: 116,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,038.24 : 200,165.44 = 84,628.35 : x
  2. Step 2: Convert to fraction form
    145,038.24/200,165.44 = 84,628.35/x
  3. Step 3: Cross multiply
    145,038.24x = 200,165.44 × 84,628.35
  4. Step 4: Simplify right side
    145,038.24x = 16,939,669,913.40
  5. Step 5: Solve for x
    x = 16,939,669,913.40/145,038.24
  6. Step 6: Final answer
    x = 116,794.51

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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.