Home / 145,867.61-201,316.11-82,225.91

Finding the Fourth Proportional to 145,867.61, 201,316.11 and 82,225.91

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Solution

The fourth proportional to 145,867.61, 201,316.11 and 82,225.91 is: 113,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,867.61 : 201,316.11 = 82,225.91 : x
  2. Step 2: Convert to fraction form
    145,867.61/201,316.11 = 82,225.91/x
  3. Step 3: Cross multiply
    145,867.61x = 201,316.11 × 82,225.91
  4. Step 4: Simplify right side
    145,867.61x = 16,553,400,342.41
  5. Step 5: Solve for x
    x = 16,553,400,342.41/145,867.61
  6. Step 6: Final answer
    x = 113,482.36

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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.