Home / 145,666.08-201,018.72-82,004.16

Finding the Fourth Proportional to 145,666.08, 201,018.72 and 82,004.16

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Solution

The fourth proportional to 145,666.08, 201,018.72 and 82,004.16 is: 113,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,666.08 : 201,018.72 = 82,004.16 : x
  2. Step 2: Convert to fraction form
    145,666.08/201,018.72 = 82,004.16/x
  3. Step 3: Cross multiply
    145,666.08x = 201,018.72 × 82,004.16
  4. Step 4: Simplify right side
    145,666.08x = 16,484,371,277.88
  5. Step 5: Solve for x
    x = 16,484,371,277.88/145,666.08
  6. Step 6: Final answer
    x = 113,165.48

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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.