Home / 145,312.29-217,971.18-40,134.06

Finding the Fourth Proportional to 145,312.29, 217,971.18 and 40,134.06

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Solution

The fourth proportional to 145,312.29, 217,971.18 and 40,134.06 is: 60,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,312.29 : 217,971.18 = 40,134.06 : x
  2. Step 2: Convert to fraction form
    145,312.29/217,971.18 = 40,134.06/x
  3. Step 3: Cross multiply
    145,312.29x = 217,971.18 × 40,134.06
  4. Step 4: Simplify right side
    145,312.29x = 8,748,068,416.39
  5. Step 5: Solve for x
    x = 8,748,068,416.39/145,312.29
  6. Step 6: Final answer
    x = 60,201.85

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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.