Home / 97,095.21-145,699.43-40,931.88

Finding the Fourth Proportional to 97,095.21, 145,699.43 and 40,931.88

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Solution

The fourth proportional to 97,095.21, 145,699.43 and 40,931.88 is: 61,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,095.21 : 145,699.43 = 40,931.88 : x
  2. Step 2: Convert to fraction form
    97,095.21/145,699.43 = 40,931.88/x
  3. Step 3: Cross multiply
    97,095.21x = 145,699.43 × 40,931.88
  4. Step 4: Simplify right side
    97,095.21x = 5,963,751,380.17
  5. Step 5: Solve for x
    x = 5,963,751,380.17/97,095.21
  6. Step 6: Final answer
    x = 61,421.68

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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.