Home / 97,007.40-145,434.30-53,231.40

Finding the Fourth Proportional to 97,007.40, 145,434.30 and 53,231.40

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Solution

The fourth proportional to 97,007.40, 145,434.30 and 53,231.40 is: 79,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,007.40 : 145,434.30 = 53,231.40 : x
  2. Step 2: Convert to fraction form
    97,007.40/145,434.30 = 53,231.40/x
  3. Step 3: Cross multiply
    97,007.40x = 145,434.30 × 53,231.40
  4. Step 4: Simplify right side
    97,007.40x = 7,741,671,397.02
  5. Step 5: Solve for x
    x = 7,741,671,397.02/97,007.40
  6. Step 6: Final answer
    x = 79,804.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.